Can You Bring Slime On A Plane?

Slime, the non-Newtonian fluid that has captivated the tactile senses of both children and adults, oscillates between a solid and a liquid state when manipulated. Its unique texture and playful nature have turned slime into a favored pastime and travel companion for many. The origins of modern slime can be traced back to a toy product released in the 1970s, which capitalized on the tactile fascination with gooey substances. Over the years, its popularity has soared, with the internet era propelling it into a global phenomenon through countless DIY recipes and social media videos.

As air travel regulations have become an important aspect of planning any trip, the question of whether you can bring slime on a plane has emerged, especially among younger travelers and parents. The answer hinges on an understanding of the regulations put forth by aviation authorities, such as the Transportation Security Administration (TSA) in the United States. These rules, designed for safety considerations and to prevent potential disruptions in the aircraft cabin, include guidelines on the transport of liquids, gels, and similar substances in both carry-on and checked luggage. Given the nature of slime’s consistency, its categorization under these regulations is crucial for passengers wishing to bring it along on their flights. With the continuous rise in popularity of this stretchy, oozy creation, staying informed on the latest travel guidelines has become increasingly significant for ensuring a smooth and hassle-free flying experience with slime in tow.

can you bring slime on a plane

Can You Take Slime On A Plane?

When considering whether you can take slime on a plane, it’s important to understand the regulations set by the Transportation Security Administration (TSA). Slime typically falls under the category of a gel or liquid, and as such, it is subject to the TSA’s 3-1-1 liquids rule. This means passengers are allowed to take slime in their carry-on bags as long as it is in a container that holds 3.4 ounces (100 milliliters) or less and fits comfortably within a single, clear, quart-sized bag. Larger quantities of slime should be packed in checked luggage. There are benefits to having slime during a flight, especially for those traveling with children, as it can serve as a stress reliever and a quiet, engaging activity. For a more detailed exploration of the rules and tips for traveling with slime, continue to the next section where we delve into the best practices for flying with this unique item.

Slime on USA Domestic Flights: TSA Guidelines

When traveling with slime on domestic flights in the USA, passengers should refer to the Transportation Security Administration (TSA) for security screenings and restrictions. Slime, a toy putty, is subject to TSA regulations due to its viscous and gelatinous properties.

Carry-On Baggage Regulations for Slime

  • Slime must adhere to the TSA 3-1-1 liquids rule, which allows passengers to bring a quart-sized bag of liquids, aerosols, gels, creams, and pastes through the checkpoint.
  • Each container of slime within the quart-sized bag must be 3.4 ounces (100 milliliters) or less.
  • Containers larger than 3.4 ounces should be placed in checked luggage.

Checked Baggage Considerations

  • There are no restrictions on the amount of slime that can be packed in checked luggage.
  • Ensure slime is well-packaged to prevent any leakage that could damage other items.

Packing Slime for Travel

  • Use leak-proof containers to avoid spills.
  • Double-bag slime containers as an extra precaution against leakage.

Security Screening Process

Slime containers may need additional screening. Passengers may be asked to remove them from carry-on bags for closer inspection. TSA officers have the final say on whether certain items are permitted through the checkpoint.

TSA PreCheck and Slime

TSA PreCheck members are still subject to the 3-1-1 liquids rule for carrying slime in their carry-on bags. However, they often benefit from faster screening and do not need to remove items like liquids and laptops from their bags.

Special Instructions and Exemptions

  • In some cases, TSA may allow slimes with medical necessity or sensory issues. Passengers should declare these during the screening process and provide any necessary documentation.
  • Slime for therapeutic use may require additional screening, but travelers may bring larger amounts in carry-on luggage if needed.

Contacting TSA for Clarification

For specific questions regarding traveling with slime, passengers are encouraged to contact the TSA directly or check the TSA website. The website offers a “What Can I Bring?” tool that provides up-to-date information on carrying various items. Travelers can find information about slime on the TSA website under ‘Toy Slime’.

✔ Pros ✘ Cons
Entertainment for children during the flight Potential to exceed TSA liquid restrictions if over 3.4 ounces
Can be considered a comfort item for anxious travelers May be considered a security risk and subject to additional screening
Compact and easy to carry Possibility of mess and difficulty in cleaning up in a confined space
Non-electronic, which is allowed during all phases of flight Could potentially leak and damage personal and airline property
Generally allowed in carry-on baggage if it meets TSA guidelines Slime consistency may change due to pressure changes in the cabin

International Air Transport Association (IATA) Guidelines

When planning to fly internationally with slime, it’s essential to adhere to the guidelines set by the International Air Transport Association (IATA). The IATA provides regulations for the safe transport of goods and materials, including items that passengers may carry in their luggage. Slime, being a non-typical travel item, falls under certain categories that may have specific restrictions.

  • Slime may be considered a liquid or gel, and thus, it is subject to the liquids rule in carry-on baggage, which limits containers to 100 milliliters (3.4 ounces) or less per item.
  • Containers must be placed in a transparent, resealable plastic bag with a total capacity of no more than 1 liter.
  • Passengers should declare items like slime at the security checkpoint for inspection.
  • For checked luggage, there may be fewer restrictions on quantity, but passengers should still ensure the slime is well-packaged to prevent spills.

For the most current and detailed information, please refer to the IATA’s guidelines on their official website. However, as specific pages for slime may not be available, the general guidelines for liquids and gels apply. (IATA Website)

Country Specific Regulations

Country-specific regulations can vary greatly when it comes to flying with items like slime. Each country has its own set of rules that govern what is permissible to bring across its borders, and these rules can affect both carry-on and checked luggage. It is crucial for travelers to check the regulations of their destination country as well as any countries they may transit through.

United Kingdom

  • Slime must comply with UK regulations for liquids in carry-on bags, limited to containers of no more than 100ml.
  • All liquids must fit in a single, transparent, resealable plastic bag. (UK Government Page)


  • The European Union has similar restrictions to the UK for liquids in carry-on luggage.
  • Passengers should check with their specific airline for any additional restrictions. (EU Aviation Security Policy)


  • Slime is subject to Canadian Air Transport Security Authority (CATSA) regulations for liquids, gels, and aerosols in carry-on baggage.
  • Containers must not exceed 100ml and must be placed in a clear, closed, and resealable plastic bag with a capacity of no more than 1 liter. (CATSA Website)


New Zealand

  • New Zealand’s Civil Aviation Authority imposes similar restrictions on liquids in carry-on luggage.
  • Containers should not exceed 100ml and must be presented in a clear plastic bag. (New Zealand Civil Aviation Authority)


  • Asian countries may have varying regulations, but many align with the standard 100ml rule for liquids in carry-on bags.
  • Travelers should check with the specific country’s civil aviation authority for detailed guidelines.


  • In Singapore, slime would be treated as a liquid or gel and is subject to the 100ml rule for carry-on luggage.
  • Passengers must ensure all liquids fit within a transparent, resealable 1-liter plastic bag. (Civil Aviation Authority of Singapore)

10 Airline-Specific Regulations for Flying with Slime

Each airline may have its own set of policies regarding the transport of non-standard items like slime. It’s important for travelers to review their airline’s regulations before flying to avoid any issues at the airport. Below are examples of airline-specific regulations, but for the most accurate information, passengers should consult the airline directly.

American Airlines

  • Slime must adhere to the airline’s policy for liquids in carry-on bags, limited to 3.4 ounces (100ml) per container.
  • For the most accurate information, consult American Airlines’ baggage policies. (American Airlines Baggage Policies)

Delta Air Lines

  • Delta enforces the Transportation Security Administration (TSA) liquids rule, which would apply to slime.
  • Containers larger than 3.4 ounces should be placed in checked baggage. (Delta Baggage Overview)

United Airlines

  • United follows TSA guidelines for liquids, limiting carry-on slime to 3.4 ounces per container.
  • For detailed information, refer to United’s carry-on baggage rules. (United Carry-On Baggage)

Southwest Airlines

  • Southwest also adheres to the TSA liquids rule for carry-on luggage.
  • Passengers should pack slime in accordance with these regulations. (Southwest Carry-On Policy)

British Airways

  • Slime is subject to British Airways’ hand luggage restrictions on liquids, with a 100ml limit per item.
  • For further details, visit British Airways’ baggage essentials page. (British Airways Baggage Essentials)


  • Lufthansa requires that liquids in carry-on, including slime, do not exceed 100ml per container.
  • For more information, check Lufthansa’s carry-on baggage rules. (Lufthansa Carry-On Baggage)

Air Canada

  • Slime must comply with Air Canada’s restrictions on liquids, gels, and aerosols for carry-on luggage.
  • Containers should be no larger than 100ml. (Air Canada Carry-On Information)


  • Qantas enforces the Australian Government’s security measures for liquids, aerosols, and gels in carry-on baggage.
  • Slime must be in containers of 100ml or less. (Qantas Carry-On Baggage)

Air France

  • Under Air France’s policy, slime is considered a liquid and is limited to 100ml containers in carry-on bags.
  • For specific guidelines, visit Air France’s website. (Air France Hand Baggage)


  • Emirates follows the standard liquids rule, applying it to slime carried in hand luggage.
  • Containers must not exceed 100ml. (Emirates Cabin Baggage)

Packing Slime in Your Luggage

Packing slime for a trip requires careful consideration to prevent spills and adhere to travel regulations. Whether you’re placing slime in your carry-on or hold luggage, the following guide provides steps to ensure it arrives at your destination safely.

Preparing Slime for Carry-On Luggage

When taking slime in your carry-on luggage, you need to comply with the rules for liquids set by the Transportation Security Administration (TSA) or equivalent authority.

  • Check liquid restrictions, typically limiting containers to 3.4 ounces (100 milliliters) or less.
  • Place slime in a leak-proof plastic bag or container that complies with size restrictions.
  • Store containers in a clear, quart-sized plastic bag that can be easily removed during security screenings.
  • Consider packing less than you might need to avoid confiscation by security if it exceeds limits.

taking slime through airport security

Packing Slime in Hold Luggage

For hold luggage, there are fewer restrictions on quantities, but precautions should still be taken to prevent leaks.

  • Place the slime in a sturdy, airtight container to avoid any leakage due to pressure changes during the flight.
  • Seal the container’s lid with strong adhesive tape as an extra precaution.
  • Wrap the container in bubble wrap or a protective layer to cushion against impacts.
  • Position the wrapped slime container in the center of your suitcase, surrounded by clothing or other soft items for additional protection.
  • Consider placing the wrapped container inside a resealable plastic bag for an additional layer of defense against spills.

Travel-Friendly Stress Relievers Similar to Slime

When considering alternatives to slime for in-flight entertainment or stress relief, there are several items that are airplane-friendly and can help pass the time or soothe nerves. Compact fidget toys, such as stress balls, fidget spinners, or fidget cubes, are excellent for keeping hands busy without the mess. For a quiet and calming activity, adult coloring books with a set of travel-sized colored pencils can be both engaging and relaxing. Kinetic sand is another tactile option that comes in small, sealed containers, allowing for a no-mess sensory experience. Additionally, small puzzle games or brain teasers can provide mental stimulation and keep your mind occupied during long flights. These items are typically allowed on planes, but always check the latest TSA guidelines to ensure they meet carry-on requirements.

FAQ’s About Can You Bring Slime On A Plane?

Traveling with kids or as a slime enthusiast can bring up the question of whether you can take slime on a plane. The rules and regulations for carrying slime in your hand luggage or checked baggage often depend on the amount and the specific airline you’re traveling with. Here we’ve compiled a list of frequently asked questions to help you understand the policies surrounding traveling with slime, ensuring a smooth and stress-free journey.

Is slime allowed in carry-on luggage?

Yes, slime is generally allowed in carry-on luggage, but it must comply with the airline’s liquid restrictions, typically limited to containers not exceeding 3.4 ounces (100 milliliters). All containers must fit within a single clear, quart-sized bag.

Can I bring a larger quantity of slime in my checked baggage?

Yes, you can usually bring larger quantities of slime in your checked baggage. There are no specific TSA restrictions on slime in checked luggage, but it’s advisable to pack it well to prevent any leaks.

Do I need to declare my slime at the security checkpoint?

No, you don’t need to declare your slime as long as it adheres to the 3.4-ounce rule for carry-on luggage. If it’s in your checked baggage, there’s no need to declare it either.

What happens if my slime exceeds the allowed size in my carry-on?

If your slime exceeds the allowed size, it may be confiscated at the security checkpoint. It’s best to pack larger quantities in your checked luggage or ensure it’s within the allowed limit.

Will cold or hot temperatures in the cargo hold affect my slime?

Extreme temperatures in the cargo hold may affect the texture and consistency of your slime. Consider insulating it if necessary, and check that it’s in a leak-proof container.

Is there a difference in regulations for slime when traveling internationally?

International regulations might vary. The TSA guidelines are applicable for flights departing from the USA, but other countries may have different restrictions. Always check with the relevant airline or security body before traveling.

Are there any types of slime that are not permitted on a plane?

Standard slime is usually permitted, but variants that contain metallic shards or other prohibited items might not be allowed. When in doubt, consult the airline or check the TSA website.

Can homemade slime be brought on a plane?

Yes, homemade slime can be brought on a plane, but just like commercial slime, it must adhere to the liquid restrictions for carry-on bags.

How can I best pack my slime to avoid a mess?

Slime should be packed in a tightly sealed container. To prevent spills, you may further place the container inside a plastic zip-lock bag.

If my slime is confiscated, will the airline replace it?

No, the airline is not responsible for replacing confiscated items, including slime. It’s important to adhere to regulations to avoid this situation.

Packing It All Up

In essence, travelers can, in fact, bring slime onto an airplane, but it’s imperative to adhere to the airline industry’s regulations, particularly those enforced by the Transportation Security Administration (TSA). Slime falls under the category of gels and therefore must comply with the TSA’s 3-1-1 liquids rule. This stipulates that all gels within carry-on bags must be contained in bottles or containers not exceeding 3.4 ounces (100 milliliters) and collectively housed in a single, quart-sized, clear plastic, zip-top bag. Each passenger is permitted one such bag, and it should be presented separately when passing through airport security.

However, if more than 3.4 ounces of slime is a necessity, passengers have the option of placing it in their checked luggage without a restriction on quantity. It is sensible to pack the slime in a leak-proof container to prevent any messes during the journey, given the changes in air pressure and potential movement of cargo. Additionally, it’s always advisable to check the individual airline’s rules as they may have more specific restrictions or precautions regarding the transport of gels and liquids. By keeping these key insights in mind, passengers can ensure a smooth experience when traveling with their gooey companions.