WALMART is selling an essential travel storage solution that will make airport security checkpoints a breeze.

For just $7, travelers can find the perfect answer to the Transportation Security Administration's 3-1-1 rule.

The Packism Clear Toiletry Bag is selling on Walmart's website for just $7.10, and it comes with three quart-sized bags.

The shape is perfect for fitting travel-size products, and the see-through packaging will make security checks easier.

The TSA asks all travelers to fit their liquids, aerosols, gels, creams, and pastes into a quart-size container.

This is part of the 3-1-1 rule , which is a guideline for how to fly with liquids.

The three stands for 3.4 oz, which is the maximum amount of liquid that an individual container can hold.

The first one is a refer

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