Can I take an empty metal flask 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.



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If your container is over 100ml it is not allowed through security with any liquid in at all, however, you may take an empty water bottle through security refill it at one of our water fountains or restaurants. Solid deodorants, lipsticks, brushes, combs and toothbrushes are allowed on board.

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Coffee Thermos (empty) You may take empty drink containers through the checkpoint and fill them afterward.

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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.

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The only condition for hydro flasks to be allowed through security is that they must be completely empty of any liquids. That's because all liquids in hand luggage have to follow the 3-1-1 rule and hydro flasks usually are too large to fit in a 1-quart bag, and their volume is above 3.4 oz / 100 ml.

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According to the FAA, it's all about the alcohol content! Alcohol less than 24% alcohol by volume (ABV) or 48 proof, like most beers and wine: For carry-on you are limited to containers of 3.4oz or less that can fit comfortably in one quart-sized, clear, zip-top bag.

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TSA agents and passengers are expected to followthe3-1-1? rule for liquids. The reason for not allowing liquid is that terrorists could bring liquid explosives or components to make explosive through water bottles.

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Ryanair allows passengers to pack toiletries and make up into their hand luggage provided all liquids are in containers of no more than 100 ml. In addition, all liquids must be within one transparent, re-sealable plastic bag with dimensions of no more than 20 cm x 20 cm.

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You 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.

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Safety Razors: Because the razor blades are so easy to remove, safety razors are not permitted in your carry-on luggage with the blade. They're fine to pack in your carry-on without the blade. The blades must be stored in your checked luggage. The same applies for straight razors.

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