So, no, you can't bring a reusable water bottle full of water with you through TSA. However, as long as it's empty, it's fully permitted. Plastic, metal, or glass reusable water bottles are all allowed. There are a few exceptions to the 3-1-1 rule if you have medical conditions or you have young children with you.
Can you bring snacks on a plane?
Solid food items (not liquids or gels) can be transported in either your carry-on or checked baggage. TSA officers may instruct travelers to separate items from carry-on bags such as foods, powders, and any materials that can clutter bags and obstruct clear images on the X-ray machine.
Can I take my water bottle on the plane?
Can I bring a Yeti Cup on a plane?
Can you take a Yeti on an airplane? Yes. The drinkware is treated the same as any bottle or thermos by TSA. You just can't fill it until after you've passed security.
Can I bring a metal water bottle on a plane?
Yes, you can bring your reusable stainless steel water bottle with you on an airplane. Nowhere on the TSA website does it specify certain water bottle materials that cannot board the plane. As long as your stainless steel bottle was empty when it went through the security checkpoint, you should be good to go.
How much water can I bring in my carry-on?
3.4 ouncesYou are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag and through the checkpoint. These are limited to travel-sized containers that are 3.4 ounces (100 milliliters) or less per item.