Quart Sized Bag

A TSA (Transportation Security Administration) Approved Quart Sized Bag is a specific type of travel bag designed to comply with the regulations and guidelines set by the TSA, the agency responsible for security at airports in the United States. These bags are typically made of clear, durable plastic and are designed to hold small containers of liquids, gels, and aerosols in a clear and organized manner.

The main purpose of a TSA Approved Quart Sized Bag is to facilitate the screening process at airport security checkpoints. According to TSA regulations, passengers are allowed to carry small containers of liquids, gels, and aerosols in their carry-on luggage, but these items must be placed in containers of 3.4 ounces (100 milliliters) or less and placed in a single quart-sized, resealable bag. Each passenger is allowed to bring one such bag.

The use of a TSA Approved Quart Sized Bag helps passengers and TSA officers quickly and easily inspect these items during security screenings, reducing the likelihood of delays and ensuring the safety and security of air travel.

It’s important for travelers to familiarize themselves with TSA guidelines regarding liquids and carry-on items to ensure a smooth and hassle-free experience at the airport security checkpoint.

What is a Quart Size Bag?

What is a Quart Size Bag

A quart-size bag is a container or storage bag that has a capacity of one quart, which is equivalent to 32 fluid ounces or approximately 946 milliliters. These bags are commonly used for carrying liquids, gels, and other small toiletry items when traveling by air.

In many countries, including the United States, the Transportation Security Administration (TSA) has specific rules and regulations regarding the transportation of liquids and gels in your carry-on luggage. To comply with these regulations, passengers are often required to place their containers of liquids and gels in a quart-size, clear, resealable plastic bag, with each container holding no more than 3.4 ounces or 100 milliliters. This makes it easier for airport security personnel to inspect these items and ensures they meet security requirements.

Quart-size bags are readily available at most airports and can also be purchased in stores, but it’s a good idea to have some on hand if you frequently travel by air and need to transport small liquid or gel items in your carry-on luggage.

Also Read: Is Frontier Airlines Good and Safe to Fly?

TSA 3-1-1 Rule 

The TSA’s 3-1-1 rule is a regulation established by the Transportation Security Administration to govern the quantity and size of liquids permitted in carry-on luggage when passing through airport security. According to this rule, all liquids must be contained in receptacles holding 3.4 ounces (100 milliliters) or less and placed inside a transparent quart-size plastic bag.

Each traveler is allowed to bring one quart-size bag, and these liquids can encompass a variety of products like shampoo, conditioner, lotion, mouthwash, and hand sanitizer. The TSA implemented this rule to facilitate the visual inspection and swift screening of liquids by security personnel. It’s essential to be aware that liquids in aerosol cans, such as hairspray and deodorant, are subject to additional restrictions and should be packed in checked baggage rather than carried in your carry-on bag.

What Size is a Quart Ziploc Bag?

Quart Ziploc Bag

A quart-sized Ziploc bag is incredibly versatile and serves various purposes such as packing lunches, storing leftovers, or organizing small items.

But what exactly is a quart? Surprisingly, a quart is a unit of measurement equivalent to two pints. In simpler terms, a quart-sized Ziploc bag has the capacity to hold two pints of liquid. These bags typically have dimensions of approximately 7 inches by 8 inches, making them ideal for use as quart-sized containers when going through airport security.

So, the next time you need a convenient solution for storing or transporting liquids, consider reaching for a quart-sized Ziploc bag. It’s a practical choice for various everyday needs.

How Big Can a Quart Size Bag Be?

A quart-size bag, according to TSA guidelines in the United States, should meet specific criteria. It should be below 1 quart in volume, resealable, and ideally transparent. Acceptable sizes could include bags like 6 x 9 x 1 inches (equivalent to 0.94 quarts), 8 x 7 x 1 inches (equivalent to 0.97 quarts), or 7 x 5.5 x 1.5 inches (equivalent to 1 quart).

However, it’s important to note that many quart-size bags available for purchase are larger than the allowable 1 quart. Some of them can even have a capacity of 1.7 to 2.2 quarts.

To calculate the volume in quarts, you multiply all three dimensions of the bag (height, width, and depth) and then multiply the result by 0.017316. For instance, the most popular quart-size bag on Amazon measures 7.5 x 5.5 x 2.2 inches, which calculates to 1.57 quarts (7.5 x 5.5 x 2.2 x 0.017316). If you encounter a strict TSA officer, a bag of this size might not be allowed onboard. Therefore, it’s crucial to be mindful of the bag’s dimensions to ensure it complies with TSA regulations when traveling by air.

Also Read: Can You Bring Cigarettes on a Plane?

5 Best TSA-Approved Quart Bags For Liquids

Certainly! Here’s a list of five TSA-approved quart bags for liquids that you can find on Amazon:

Olanmark Toiletry Travel Cosmetic Bag:

Size: 7.9 x 5.9 x bottom depth 3.9 x upper depth 1.2 inches

Features: Extra side pockets for small items, durable zippers, versatile for various purposes.

WANDF Clear Bag:

Features: Affordable and TSA-compliant, available in packs of 1 or 2, thick material for durability.

Ez-Packings Transparent Bag:

Size: 6.25 inches x 2.5 inches

Features: Comes in various colors, sturdy nylon backing, TSA-approved.

11 Set TSA Approved Bag for Travel:

Features: Includes 11 clear sealed containers for liquids (lotion bottles, spray bottles, flip-cap bottles, cream jars, etc.), labels included for organization.

Travel Smart Toiletry Bag with 14-Piece Bottle Set:

Features: Comes with 4 types of TSA-approved bottles, personalized labels, durability, sustainability, and leakproof design.

TSA-Approved Quart Bag Checklist

When packing liquids for air travel in a TSA-approved quart-sized bag, it’s important to ensure that you comply with the TSA’s guidelines. Here’s a checklist to help you pack your quart-sized bag effectively:

TSA-Approved Quart Bag: Ensure you have a clear, resealable quart-sized plastic bag. The bag should be transparent and no larger than approximately 7.5 x 8.5 inches (19 x 21.5 centimeters).

Container Size: All liquid and gel containers must be 3.4 ounces (100 milliliters) or less in size.

Liquid and Gel Items: Gather all liquid, gel, and aerosol items you plan to carry in your quart-sized bag.

Types of Items: Include items such as shampoo, conditioner, lotion, toothpaste, mouthwash, and hand sanitizer.

Quantity: Ensure that the total quantity of liquid and gel items does not exceed what can comfortably fit in the quart-sized bag.

Separate Large Containers: Large containers of liquids or items in aerosol cans (e.g., hairspray, deodorant) exceeding 3.4 ounces (100 milliliters) should be packed in checked luggage.

Exemptions: Be aware of exemptions for items like medications, baby formula, and breast milk. These may have different rules but are generally allowed in reasonable quantities.

Labeling and Organization:

  • Consider labeling containers, especially if they are not clearly marked.
  • Organize items neatly in the quart-sized bag for easy inspection.

Accessibility: Keep the quart-sized bag easily accessible in your carry-on luggage. You’ll need to remove it for security screening.

Additional Precautions: To prevent leaks, consider placing each liquid container in a sealable plastic bag or using leak-proof travel bottles.

Review Airline and Airport Regulations: Check for any specific regulations or requirements from your airline or the airport you are traveling from, as they may have additional guidelines.

By following this checklist, you can ensure that your quart-sized bag for liquids complies with TSA regulations, making the security screening process at the airport smoother and more efficient.

Also Read: How Many Planes Crash in a Year?

How Many Quart-Sized Bags Can I Carry On?

When traveling by air, you are typically subject to the TSA’s or most international airport authorities’ 3-1-1 rule. This rule allows you to carry up to 3.4 ounces (100 milliliters) of liquid per container, with each container not exceeding 3.4 ounces, and all these containers must be placed within a single, clear, quart-sized bag.

So, how many quart-sized bags can you bring with you? The answer is one bag per passenger.

In practical terms, this means that if you’re traveling with a family of four, you are allowed to bring four quart-sized bags through security. So, when you’re wondering about the number of quart-sized bags you can carry on a plane, remember that it’s limited to one bag per passenger.

What Items Are Allowed in My Clear Quart Size Bag?

When you’re packing a clear quart-sized bag for air travel, it’s important to follow the TSA’s 3-1-1 rule for liquids and gels. Here’s a breakdown of what items are allowed in your clear quart-sized bag:

Liquids and Gels: All liquid, gel, and aerosol items must be in containers that hold 3.4 ounces (100 milliliters) or less per item. These containers should all fit comfortably in a single, clear, quart-sized (approximately 7 x 8 inches) resealable plastic bag. Each passenger is allowed to bring one quart-sized bag.

Toiletries: Common toiletry items like shampoo, conditioner, lotion, liquid soap, and toothpaste are allowed as long as they meet the size restrictions mentioned above. Travel-sized containers are typically suitable.

Medications: You can carry prescription and over-the-counter medications in your quart-sized bag. It’s a good idea to keep them in their original packaging with labels to avoid any confusion. You can also bring medical items such as insulin, EpiPens, and syringes. Be prepared to declare these items at the security checkpoint.

Cosmetics: Small containers of liquid cosmetics, such as foundation, mascara, and lip gloss, should be in compliance with the 3.4-ounce limit and placed in the quart-sized bag.

Food and Beverages: While solid food items like sandwiches, snacks, and fruit are generally allowed, beverages must adhere to the 3.4-ounce rule if you plan to carry them in your quart-sized bag. Otherwise, consider purchasing beverages after passing through security.

Baby Items: Baby formula, breast milk, and baby food are allowed in quantities exceeding 3.4 ounces and do not need to be placed in a quart-sized bag. You may be required to declare these items at the security checkpoint.

Exceptions: Some exceptions apply for certain items like duty-free liquids purchased at the airport and medically necessary liquids, which may be allowed in larger quantities. Be prepared to declare and present these items separately at security.

Remember that security rules and regulations may vary by country and airport, so it’s advisable to check with the relevant authorities or airlines before your trip for the most up-to-date information. Additionally, items like sharp objects, flammable materials, and prohibited weapons are not allowed in your quart-sized bag or carry-on luggage and should be packed in your checked baggage or left at home.

Packing Tips for a Smooth TSA Experience

In addition to packing a TSA-approved quart-sized bag for your liquids and gels, there are several strategies you can employ to simplify the airport screening process. These helpful tips will enhance your packing skills, making your journey through TSA security hassle-free:

Prepared Travel Toiletry Bag: If you’re a frequent traveler, consider maintaining a ‘Travel Toiletry Bag’ that’s always ready to go. This simple practice can be a real game-changer. Assemble your own ‘Travel Toiletry Bag’ with your favorite toiletries (or makeup), especially items that might be challenging to find abroad. Keep it conveniently accessible, like in a bathroom drawer.

Pro Tip: After returning from a trip, check your toiletries bag to identify items that need refilling or replenishing, such as lotion, cotton swabs, and pads.

Embrace Samples: Samples are your best allies when it comes to packing for travel. You can acquire FREE samples of various products, including shampoo, toothpaste, body wash, and makeup. Save these trial-sized products for your next adventure. They usually come in containers under 3.4 ounces and are disposable, making them incredibly convenient for travel.

Choose Versatile Products: Opt for products with multiple uses to simplify your packing. For instance, consider a lip and cheek tint or a full-coverage foundation that can double as concealer, reducing the need for extra items in your bag.

Explore Solid Alternatives: If you find the TSA’s liquids rule too restrictive, explore solid versions of toiletries such as shampoo, sunscreen, face wash, and even mouthwash. These solid alternatives don’t need to go into your quart-sized bag, allowing you to use a different container for toiletries that aren’t categorized as liquids.

Strategic Product Swaps: If you’re a skincare enthusiast or have specific grooming essentials you can’t do without, you may need to make some trade-offs. Consider leaving behind excess hair products to create space for your skincare must-haves, or vice versa.”

These packing tips will not only help you breeze through airport security but also ensure you have everything you need for a comfortable and organized trip.

Also Read: How to Access JetBlue Flyfi?

Quart Size Bag vs Ziploc Sandwich Bag – Which One Is Better?

Choosing between a quart-size bag and a Ziploc sandwich bag for your toiletries depends on your travel plans:

Quart-Size Bag: 

Quart-size bags can be a suitable choice, especially for domestic travel within the US. They offer some advantages:

More capacity: You can typically fit 2-5 extra toiletry bottles inside, which is beneficial if you need a variety of products.

Durability and sustainability: Quart-size bags tend to be more durable and reusable, making them a sustainable option.

Likely acceptance: In domestic travel scenarios, quart-size bags are generally accepted by TSA.

However, it’s essential to ensure that your quart-size bag doesn’t exceed the 1-quart limit imposed by TSA to avoid potential issues.

Ziploc Sandwich Bag: 

If you’re flying internationally or concerned about potential size restrictions, a regular 1-quart/liter Ziploc bag can be a better choice:

Size compliance: Ziploc sandwich bags are more likely to meet size restrictions in various countries, reducing the risk of non-compliance.

Simplicity: They are straightforward, spill-resistant, and typically accepted internationally.

Ultimately, your choice should align with your travel needs and destination. For international trips, where regulations may vary, opting for a standard 1-quart Ziploc bag is a practical and safe choice. However, if you primarily travel domestically within the US, a quart-size bag offers added capacity and durability. Just ensure it remains within the specified size limits to avoid any issues.

Frequently Asked Questions (FAQs)

Is TSA strict about quart-size bags?

As long as your toiletry bag is transparent, resealable, and appears only slightly larger than a 1-liter Ziploc bag, it should typically be permitted without issues. Problems may arise only if your toiletry bag significantly exceeds the allowed size or if you happen to encounter an unusually strict security officer, although such situations are infrequent. Following these guidelines will usually ensure a trouble-free experience at airport security checkpoints.

Can I bring 2 quart-size bags on a plane?

Passengers are allowed to bring liquids, gels, and aerosols in containers of up to 3.4 ounces or 100 milliliters each. Additionally, each passenger is restricted to carrying these items in a single quart-sized bag.

Does toothpaste count as a liquid?

Yes, toothpaste is allowed on airplanes, provided that it is in containers of 3.4 ounces (100ml) or less. The same size restriction applies to items like lotion, shampoo, shaving cream, and similar products. If you’re traveling with only carry-on luggage, it’s essential to be aware of and adhere to these regulations when bringing your liquid items through airport security checkpoints.

What can I use if I don’t have a quart-size bag for TSA?

Sandwich bags are generally slightly smaller than a quart-sized bag, but if you have a limited amount of liquids, you can certainly use a zip-top bag for your carry-on toiletries. Freezer bags are also acceptable as long as they are transparent.

Does makeup have to go in the quart-size bag?

The 3-1-1 rule simplifies the guidelines for carrying liquids in your carry-on luggage. It dictates that all liquids must be stored in containers of 3.4 ounces or smaller, and all your carry-on liquids must be neatly packed within a single, transparent, quart-sized bag. This rule is applicable to various common items such as sunscreen, makeup, lotion, and shampoo.

Does deodorant need to be in a quart bag?

Stick deodorant is permissible in any size, with only a few exceptions. Powders and crystals are also acceptable. However, deodorants in the form of spray, gel, liquid, cream, paste, or roll-on, must be contained in receptacles that do not exceed 3.4 ounces in volume and should be arranged within a transparent quart-sized bag.

Also Read: How Much Does a Plane Weigh?


A quart-sized bag is a clear, resealable plastic bag that adheres to the TSA’s 3-1-1 rule for carrying liquids and gels on flights. It must not exceed one quart in size and is designed to hold containers of liquids, gels, and aerosols, with each container limited to 3.4 ounces (100 milliliters) or less. This standardized bag is a crucial tool for travelers, ensuring compliance with airport security regulations and facilitating the smooth passage of these items through security checkpoints.