TSA Travel- How Big Is a Quart Size Bag (Quart Sized Ziploc Bag vs. Gallon Bag)

TSA Travel- How Big Is a Quart Size Bag (Quart Sized Ziploc Bag vs. Gallon Bag)

According to TSA Travel liquid rule, you are permitted to take along with you a quart-sized bag.

Hence, this limits how much liquid or gel-like products you can take in your carry-on baggage.

Thus, TSA security will separate your quart-sized bag from your luggage for screening.

Having said that, what exactly is the size of a quart-sized bag?

Am I allowed to use only Ziploc bags?

Well, in this article, we will discuss all this and more.

That being said, let’s get started.

TSA carry-on liquid rules

TSA allows you to take along with you a quart-sized bag. Hence, this quart-sized bag is used to carry liquids or gel-like products.

However, this is limited to containers that are 3.4 ounces (100 milliliters) or less per item.

Although, these quart-sized bags are separated from your luggage for screening. And any product that signals during screening will need extra screening.

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Note: medications, infant and child nourishment are exempted.

What exactly is the size of a quart-sized bag?

There is no official example of the exact size of a quart-sized bag. However, you can use a quart-sized Ziploc bag as your quart-sized bag.

Thus, quart sized Ziploc bag is measured within 7×7 inches or 7×16 inches.

But, there are quart-sized Ziploc bags in Target that is 7×8 inches. And also quart-sized bags in Hefty that measure 8×5 inches and 11×16 inches.

Having said that, you can see that there is no exact size of a quart-sized bag.

Quart-sized Bag vs. Gallon Sized Bag vs. Sandwich Bag

Now that we know what a quart-sized bag is, let’s have a look at Gallon Sized Bags and Sandwich Bags.

A Sandwich bag is smaller than a quart bag. And a Gallon bag is bigger than a quart bag.

Having said that a Gallon bag is about four times the size of a quart-sized bag.

Although, some people are allowed to travel with a Gallon-sized bag by TSA officials.

Hence, this is because TSA officials are more concerned about the items in the bag and the size of the items.

Can I use the clear Toiletry bags on Amazon with a zipper?

Amazon offers several clear bags with zippers designed for toiletries and makeup.

Thus, some of these bags are said to be TSA-approved even when they are not.

Although, TSA does not pre-approve or support zip-top bags. In some cases, these bags get through TSA security.

But it is advisable to keep a quart-sized bag in your carry-on bags to move your toiletries when needed.

TSA travel liquid size

The TSA’s liquid limit is 3.4 ounces (100 milliliters) in carry-on bags.

Hence, you’re permitted to carry one quart-sized bag. Or you can carry nine 3.4-ounce containers in a single quart-sized bag.

However, if you have more than that in your check bag, you risk being kicked out.

If you put liquids in containers larger than 3.4 ounces, you can’t bring them through security. And this is even if there are only 3.4 ounces left in the bottle.

Also, make sure you get rid of empty bottles. These include your reusable water bottle. Hence, they are allowed through the TSA checkpoint since. And this is because they don’t contain any liquids at that point.

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What type of products are allowed in my quart-sized bags?

Here are some common products allowed by TSA in your quart-sized bags:

Lotions and sunscreen


Shampoos and conditioner



Aloe Vera

Lip gloss

Gel hair products


Hence, powders and powder-like substances, are also allowed in your quart-sized bag. But if the powder or powder-like substance is more than 12 ounces (350 milliliters), put it in separate bags.

Thus, it may lead to extra screening, so make sure you budget a few extra minutes at the security checkpoint.

However, products like medications, infant and child nourishment are allowed by TSA.


To sum it up we hope you find this article a good guide to all you need to know about TSA Travel.

Hence, if you have any questions about TSA Travel, make sure you leave a comment below.

Thank you for reading!