Blog >> TSA Carry-On Rules: What You Can And Cannot Bring Through Security [2025]
By Kevin Zanes / August 6, 2025
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Imagine standing in a crowded TSA security line, suitcase in hand, and suddenly you wonder: “Is my favorite snack allowed? What about my travel-sized shampoo? Will I need to unpack everything just to get through?”
For many travelers, passing through airport security feels like the hardest part of the journey.
The rules about what you can bring through TSA are always changing, and the last thing anyone wants is to lose a favorite item – or worse, hold up the line while a TSA officer digs through your bag.
Whether you travel for work or fun, understanding TSA carry-on rules will help you save time, reduce stress, and start your trip with confidence.
This guide will break down everything you need to know about TSA carry-on rules, from food to electronics, to surprising banned items.
You will learn exactly what can stay in your bag, what must be left behind, and how to pack smart to breeze through security. The included checklists and real-world tips will help you travel like a pro.
Let’s get started on making airport security one less thing to worry about.
Understanding The TSA Carry-On Rules
Before you pack your bags, it helps to know why airport security works the way it does. Understanding TSA rules will not only keep you out of trouble, but also help you move quickly through the airport.
What Is The TSA And Why Do The Rules Exist
The Transportation Security Administration (TSA) is a branch of the U.S. Department of Homeland Security. Its main job is to protect passengers by keeping dangerous items out of airports and airplanes.
The TSA sets rules about what is allowed in both carry-on and checked baggage, aiming to keep everyone safe while traveling.
After the events of September 11, 2001, security screening changed drastically. Now, every passenger and bag must go through some form of screening. These rules may feel strict, but they are designed to keep flights secure for all travelers.
Carry-On vs. Checked Bags
- Carry-On Bags are the small suitcases or backpacks you take with you on the plane. You keep these items with you in the cabin.
- Checked Bags are the larger suitcases you hand over at the ticket counter. These bags are stored in the cargo hold of the plane.
TSA rules are strictest for carry-on items, since these are in the passenger area. Many things that are not allowed in carry-ons can be packed in checked bags, but some items are banned from both.
What Happens At A TSA Security Checkpoint
When you reach the security checkpoint, here is what you can expect:
- Identity Check: You show your ID and boarding pass to a TSA officer.
- Bag Scan: All bags (carry-on, purse, backpack) go through an X-ray scanner.
- Body Scan: Passengers walk through a metal detector or body scanner.
- Extra Screening: If an item looks suspicious, officers may open your bag for a closer look.
TSA officers can ask you to remove electronics, liquids, or even shoes – unless you have TSA PreCheck, which allows you to skip some steps.
Why It Is Important To Know The Rules
Knowing TSA rules saves you time, helps avoid delays, and keeps your trip stress-free. When you pack the right way, you will move faster through security and keep your belongings safe. Many travelers are surprised by what is and is not allowed, so reviewing these rules before every trip is always smart.
Items You CAN Bring Through TSA Security
Knowing what you can bring through TSA security will help you pack confidently and avoid any surprises at the airport. While many rules may seem strict, you might be surprised by how many items are actually allowed in your carry-on – if you follow the right guidelines.
Here is a breakdown of the most common allowed items, organized by category, with key notes and exceptions to watch for.
Food And Liquids
Travelers love bringing snacks or meals for the flight, but TSA has strict rules about what types of food and drink can go through security. The good news: most solid foods are allowed, while anything liquid or spreadable just needs to fit the TSA liquids rule.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Alcoholic beverages | Yes | Must be less than 3.4 oz (100 ml) and in a 1-quart bag |
| Baby food, formula, breast milk | Yes | “Reasonable quantities,” must be screened separately |
| Baby wipes | Yes | |
| Bottled water | Yes | Must be less than 3.4 oz (100 ml) |
| Cakes, pies, cookies | Yes | May be subject to additional screening |
| Canned foods | Yes | May require extra screening |
| Cheese (creamy, spreadable) | Yes | Must be less than 3.4 oz (100 ml) |
| Cheese (solid) | Yes | |
| Chocolate (liquid) | Yes | Must be less than 3.4 oz (100 ml) |
| Chocolate (solid) | Yes | |
| Cooked meat, seafood, vegetables | Yes | No liquid allowed |
| Fresh fruits & vegetables | Yes | Not allowed to Hawaii, Puerto Rico, U.S. Virgin Islands |
| Ice, gel packs, freezer packs | Yes | Must be frozen during screening or less than 3.4 oz (100 ml) |
| Juice for babies | Yes | Allowed in “reasonable quantities,” must be screened separately |
| Peanut butter, hummus, dips | Yes | Must be less than 3.4 oz (100 ml) |
| Salad dressing, gravy, soup | Yes | Must be less than 3.4 oz (100 ml) |
| Solid food (snacks, sandwiches, candy, bread, pizza) | Yes | No restrictions |
| Yogurt, pudding, jams, honey, sauces | Yes | Must be less than 3.4 oz (100 ml) |
Liquids, Toiletries, And Cosmetics
The TSA rules about liquids and toiletries are famous, but you can still bring all your favorite essentials – if you stick to the size limits. Here is what you can safely pack in your carry-on for comfort and self-care on the go.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Bar soap | Yes | No restrictions |
| Contact lens solution | Yes | Less than 3.4 oz (100 ml); larger quantities allowed if medically necessary |
| Makeup (liquid, cream, gel, mascara) | Yes | Less than 3.4 oz (100 ml) each |
| Makeup wipes, powder makeup | Yes | No restrictions |
| Nail polish, remover | Yes | Less than 3.4 oz (100 ml) |
| Perfume, cologne | Yes | Less than 3.4 oz (100 ml) |
| Shampoo, conditioner, lotions | Yes | Less than 3.4 oz (100 ml) each, in a quart-size bag |
| Solid deodorant | Yes | No restrictions |
| Sunscreen | Yes | Less than 3.4 oz (100 ml) |
| Toothpaste, mouthwash, deodorant (liquid / aerosol) | Yes | Less than 3.4 oz (100 ml) each |
Electronics And Gadgets
Technology is a must for most travelers. The TSA allows nearly all standard electronics in your carry-on, but you may need to take them out for screening. Planning ahead will save you time and keep your gear safe.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Cameras | Yes | Remove for screening |
| Cell phones | Yes | Remove for screening |
| Chargers, power banks, batteries (AA, AAA, etc.) | Yes | Power banks and spare lithium batteries NOT allowed in checked bags |
| Curling irons (cordless, butane) | Yes | Allowed with safety cover; NOT allowed in checked bags |
| E-cigarettes, vaping devices | Yes | NOT allowed in checked bags |
| E-readers, DVD players, gaming consoles | Yes | |
| Electric razors, hair dryers, curling irons (corded) | Yes | |
| Electronic toothbrush, headphones, speakers | Yes | |
| Laptops, tablets | Yes | Remove for screening |
| Medical devices (CPAP, nebulizers, insulin pumps) | Yes | May require additional screening |
Personal Items And Medications
Personal comfort and health should never take a back seat when you fly. The TSA allows most personal care items and all necessary medications, with special instructions for some medical devices and liquids.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Baby items (carriers, wipes, diapers, formula) | Yes | |
| Blankets, pillows, small stuffed animals | Yes | |
| EpiPens, inhalers, insulin, syringes | Yes | Must be declared and screened |
| Eyeglasses, contact lenses | Yes | |
| Jewelry, watches | Yes | |
| Menstrual products (tampons, pads) | Yes | |
| Over-the-counter meds, vitamins, supplements | Yes | |
| Prescription medications (pills, liquids) | Yes | Inform TSA if over 3.4 oz (100 ml) |
| Toothbrush, dental floss, tweezers, nail clippers | Yes | |
| Wallet, keys, cash | Yes |
Sporting Goods And Recreational Items
Traveling with sports equipment or hobbies? Some gear is allowed in your carry-on, as long as it is not sharp or heavy. Check these guidelines before packing your favorite pastime.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Balls (basketballs, footballs, golf balls, etc.) | Yes | |
| Musical instruments (guitar, violin, etc.) | Yes | Subject to airline rules for size / weight |
| Skateboards, roller skates, snowboards, helmets | Yes | Must meet airline size / weight limits |
| Small fishing lures | Yes | |
| Tennis rackets, baseball gloves, yoga mats | Yes |
Tools And Miscellaneous Items
Many small tools and travel gadgets are allowed, but pay attention to size limits. If your item could be considered dangerous or is very sharp, it may belong in checked baggage instead.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Books, magazines, playing cards, puzzles | Yes | |
| Locks, luggage covers, vacuum-sealed bags | Yes | TSA officers may open for inspection |
| Safety pins, sewing needles, knitting needles, crochet hooks | Yes | |
| Scissors (less than 4 inches from pivot) | Yes | Longer scissors must go in checked bags |
| Screwdrivers, wrenches, pliers (under 7 inches) | Yes | Longer tools must go in checked bags |
| Tape measure, stapler, duct tape | Yes | |
| Umbrellas, canes, crutches, support braces | Yes |
Miscellaneous Allowed Items
From traveling with pets to carrying special souvenirs, the TSA permits many other everyday items as long as they meet airline and security requirements. Always check for any destination-specific rules.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Art supplies (no paint or solvent over 3.4 oz) | Yes | |
| Cremated remains | Yes | Must follow airline and TSA packaging rules |
| Pet food (solid), small pets | Yes | Pets subject to airline rules |
| Plants, seeds, cut flowers (no water) | Yes |
Key Reminders For Packing Allowed Items
- Liquids, gels, and aerosols must follow the TSA 3-1-1 rule: 3.4 ounces (100 milliliters) or less per container, all in a 1-quart, clear, resealable bag, 1 bag per passenger.
- Pack all electronics and liquids where you can reach them easily for quick screening.
- TSA officers have the final say about any item. If an officer questions an item, calmly explain what it is and its purpose.
Items You CANNOT Bring Through TSA Security
Airport security is strict for a reason – keeping all travelers safe.
Many everyday items are banned from carry-on bags because they could be dangerous in the cabin or used to cause harm. Some of these rules are obvious, while others might surprise even frequent flyers.
Here are the main categories and specific items you cannot bring through TSA in your carry-on bag.
Sharp Objects
Anything with a sharp edge or point is almost always banned from your carry-on. Even small tools or utensils can pose a risk, so the TSA is strict about what gets through.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Axes, hatchets | No | Checked bag only |
| Box cutters, razor blades | No | Only disposable razors without blades allowed |
| Ice picks, meat cleavers | No | Checked bag only |
| Knives (all types) | No | Includes pocket knives, kitchen knives, utility knives – must go in checked bag |
| Sabers, swords | No | Checked bag only |
| Scissors (blades over 4 inches) | No | Scissors under 4 inches from pivot are allowed |
| Tools longer than 7 inches | No | Wrenches, screwdrivers, pliers – must go in checked bag |
Weapons And Self-Defense
No weapons of any kind are allowed in your carry-on, including items made for self-defense. Even some items designed for personal protection are banned from the cabin.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Brass knuckles | No | Checked bag only |
| Firearms, ammunition | No | Must be unloaded, locked, and checked with the airline |
| Martial arts / self-defense items | No | Includes batons, kubatons, nunchucks |
| Mace, tear gas, pepper spray | No | Small amounts in checked bag only, must have safety cap |
| Realistic replicas of weapons | No | Applies to toys and props |
| Stun guns, tasers | No | Checked bag only |
Flammables And Explosives
Anything that could start a fire, explode, or ignite is banned from your carry-on. These items are a serious safety risk and are almost never allowed in any luggage.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Aerosol paint, spray starch | No | Prohibited completely |
| Dynamite, explosives, gunpowder | No | Prohibited completely |
| Fireworks, flares, sparklers | No | Not allowed in checked or carry-on |
| Gasoline, fuels, lighter fluid | No | Not allowed in checked or carry-on |
| Matches (strike-anywhere) | No | One book of safety matches allowed, strike-anywhere not |
| Torch lighters, butane refills | No | Regular lighters allowed with restrictions |
Sports Equipment
If it is big, heavy, or could be used as a weapon, it will not make it through security in your carry-on. Most large sports gear must go in checked bags.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Baseball bats, cricket bats, golf clubs | No | Checked bag only |
| Bow and arrows | No | Checked bag only |
| Dart, spear guns | No | Checked bag only |
| Hockey sticks, lacrosse sticks | No | Checked bag only |
| Kayak paddles, ski poles, hiking poles | No | Checked bag only |
| Martial arts gear (batons, nunchucks) | No | Checked bag only |
| Pool cues | No | Checked bag only |
Miscellaneous Surprising Banned Items
Some items may look innocent but are still banned from your carry-on bag. These rules can catch even frequent travelers off guard.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Cast iron cookware | No | Too heavy and blunt; checked bag only |
| English Christmas crackers | No | Not allowed in checked or carry-on |
| Fertilizer, chlorine, bleach | No | Not allowed in checked or carry-on |
| Gel-type candles | No | Solid candles are allowed |
| Large hammers, crowbars | No | Checked bag only |
| Magic 8 Ball | No | Contains liquid |
| Recalled Samsung Note 7 | No | Not allowed on any U.S. flights |
| Snow globes (over 3.4 oz) | No | Only allowed if small enough to fit in liquids bag |
| Tools with blades | No | Box cutters, utility knives, saws – checked bag only |
Quick Tips For Avoiding Banned Items
- When in doubt, pack questionable items in checked luggage – or leave them at home.
- TSA officers have the final say on any item at the checkpoint.
- Double-check your bag before you leave for the airport to avoid delays or losing valuable items.
- For a full list, check the official TSA What Can I Bring? Page.
Special TSA Carry-On Rules
Some travel situations call for extra care when packing.
Whether you are flying with a baby, managing medical needs, bringing your pet, or carrying special items for religious or cultural reasons, TSA has exceptions and special rules to help keep your trip smooth.
Below, you will find guidance for the most common special cases, so you can plan ahead and avoid unwanted surprises at the checkpoint.
Traveling With Children And Babies
TSA understands that families need extra flexibility. Many baby and child care items are allowed through security, even if they break the usual rules.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Baby food, formula, breast milk | Yes | “Reasonable quantities” allowed above 3.4 oz; declare and screen separately |
| Baby wipes, diapers | Yes | No restrictions |
| Bottled water for infants | Yes | Allowed for baby’s use; must be declared for screening |
| Juice for babies | Yes | Allowed in “reasonable quantities”; separate screening |
| Stroller, car seat, carrier | Yes | Allowed at security; gate-check may be required by airline |
TPA Pro Tip: Pack all liquids for your child in one bag and declare them to a TSA officer. Security officers may ask to screen them separately.
Traveling With Pets
Flying with a pet? TSA allows many pet essentials, but be prepared for extra screening.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Collapsible water bowl | Yes | No restrictions |
| Dry pet food, treats | Yes | Wet food must follow 3.4 oz liquid rule |
| Medications for pets | Yes | Must follow same liquid and medication rules as for people |
| Small pets in carrier | Yes | Subject to airline size rules; pet must go through security with you |
TPA Pro Tip: You may be asked to remove your pet from its carrier at the checkpoint. Always check with your airline about their pet travel policy, too.
Medical Needs And Devices
TSA aims to accommodate all passengers with medical conditions or disabilities. There are special rules for medically necessary items, but you should always be ready to declare and explain them at security.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| EpiPens, inhalers, insulin | Yes | No restrictions; declare if needed |
| Ice packs for meds | Yes | Must be frozen or in limited liquid form |
| Liquid medications | Yes | May exceed 3.4 oz if necessary; declare for inspection |
| Medical devices (CPAP, nebulizer, insulin pump) | Yes | May require extra screening; bring documentation if possible |
| Syringes, needles | Yes | Unused syringes must be declared; used ones in sharps container |
| Wheelchairs, walkers, crutches | Yes | Allowed and will be screened separately |
TPA Pro Tip: Always keep prescriptions in their original containers, and consider carrying a doctor’s note for large amounts or unusual items. Let the officer know about any implants or devices before screening.
Cultural And Religious Items
TSA recognizes the importance of cultural and religious objects. Most are allowed, but you may need to explain them or allow for extra screening.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Holy water, ceremonial liquids | Yes | Must follow 3.4 oz liquid rule unless medically necessary |
| Incense, ceremonial powders | Yes | Powders over 12 oz may require extra screening |
| Kirpan (ceremonial blade) | No | Not allowed in carry-on; checked bag only |
| Prayer beads, religious texts | Yes | No restrictions |
| Religious garments, head coverings | Yes | May request private screening if needed |
TPA Pro Tip: If you wish to keep certain items private during inspection, request a private screening from a TSA officer.
International Flights And Unique Destinations
Some destinations have their own restrictions, especially on plants, foods, or other items that can affect local agriculture.
| Item | Allowed in Carry-On? | Notes / Exceptions |
| Animal products, meat | Sometimes | Many restrictions apply internationally |
| Duty-free liquids | Yes (with proof) | Must be in secure, tamper-evident bag with receipt |
| Fresh fruits, vegetables | Yes (with exceptions) | Not allowed into Hawaii, Puerto Rico, U.S. Virgin Islands |
| Plants, seeds, cut flowers | Yes | Check local and destination rules before travel |
TPA Pro Tip: Always check the customs and agriculture rules for your final destination. What is allowed on your departure flight may be confiscated at arrival.
Quick Tips For Special Items
- Always pack special items where you can easily access them for screening.
- Clearly declare all exceptions (baby food, medical liquids, etc.) at the start of security.
- When in doubt, bring documentation or a doctor’s note.
- Use the official TSA “What Can I Bring?” tool for the most up-to-date answers.
Tips For A Smooth TSA Carry-On Experience
Getting through airport security does not have to be stressful. A little preparation and the right strategy can make the process quick, simple, and even stress-free.
Here are proven tips and tricks to help you breeze through TSA with your carry-on bag.
How To Pack For Faster Screening
Packing smart can save you time at security and keep your belongings organized.
- Keep Liquids And Electronics At The Top: Place your quart-sized liquids bag and electronics (like laptops and tablets) in an easy-to-reach spot for fast removal.
- Use Clear, Resealable Bags: Store small items like chargers, medication, or snacks in see-through pouches to avoid digging through your bag at the checkpoint.
- Avoid Overpacking: TSA officers may need to inspect crowded bags more closely, which can slow you down.
- Pre-Sort Your Pockets: Empty your pockets into your carry-on before you reach the bins – no last-minute scrambling for keys or coins.
Take Advantage Of TSA PreCheck or Trusted Traveler Programs
Trusted traveler programs – like TSA PreCheck and Global Entry – can make a huge difference for frequent flyers.
- TSA PreCheck: Lets you keep your shoes, belt, and light jacket on, and keep your laptop and liquids in your bag. Most people spend less than five minutes in line.
- Global Entry, CLEAR, or NEXUS: Consider these if you travel internationally or through busy airports. Many travel credit cards cover the application fee (which includes TSA PreCheck).
Common Mistakes And How To Avoid Them
Many delays at TSA are caused by simple, avoidable errors.
- Forgetting To Empty Your Water Bottle: Bring an empty bottle through security and refill it after.
- Packing Prohibited Items By Mistake: Double-check your carry-on with the TSA “What Can I Bring?” tool before you leave.
- Wearing Complicated Shoes or Accessories: Choose slip-on shoes and avoid belts or jewelry that can trigger metal detectors.
- Never Take Items From Strangers: For your safety and security, never agree to carry packages, bags, or items for anyone you do not know.
What To Do If Your Carry-On Is Flagged By TSA
Sometimes a bag will be pulled aside for extra screening. Here’s what to do:
- Stay calm and follow instructions. TSA officers are just doing their job.
- Watch as your bag is searched so you can answer questions if needed.
- Know that you might be asked to turn on electronics or explain unusual items.
- If an item is not allowed, you will usually be asked to throw it away, check it, or return it to your car.
Prepare For Random TSA Checks And Changes
Security rules can change, and random checks are part of keeping everyone safe.
- Be Patient: Random screenings happen to everyone, not just frequent travelers.
- Be Flexible: If a new rule appears, follow instructions and stay polite.
- Keep Paperwork Handy: Have prescriptions, medical notes, or pet documents ready if you have special items.
With the right preparation, airport security can become just another easy step in your travel day.
Final Thoughts
Getting through airport security does not need to be a source of stress.
By understanding TSA carry-on rules and planning ahead, you can make your next trip smoother and more enjoyable from the very start. Knowing what you can and cannot pack helps you avoid last-minute surprises and delays at the checkpoint.
Small habits, like double-checking your bag before you leave home and keeping your liquids and electronics within easy reach, can make a real difference.
Travel is about making memories and discovering new places, not worrying about losing your favorite snack or rushing to repack at security. The rules are in place to keep everyone safe, and with a bit of preparation, you can move through the airport confidently and efficiently.
If you are ever unsure about an item, use the TSA resources or ask an officer – they are there to help.
With the right information and a thoughtful approach, you can turn airport security into just another simple step in your journey.
