Can You Bring a Metal Water Bottle on a Plane?

Yes, you are generally allowed to bring metal water bottles, both empty and filled with water, through airport security and onto planes. Here are some guidelines for carrying metal water bottles on flights:

  • The bottle must be empty when going through the security checkpoint. You can fill it up at a water fountain or bottle filling station after clearing security.
  • There are no restrictions on the material of an empty water bottle, so metal bottles are permitted along with plastic, glass, etc.
  • However, the Transportation Security Administration (TSA) recommends using bottles with wide mouths that are easy to fill after clearing security.
  • The size of the bottle doesn’t matter as long as it is empty when going through the checkpoint.
  • You can bring your already filled metal water bottle as well, but it will need to be under 3.4 oz (100ml) in order to comply with the 3-1-1 liquids rule for carry-ons.
Also Read: Can I Bring an Empty Yeti on a Plane?

So in summary, empty metal water bottles of any size can be taken through airport security and onto the plane cabin. Just be prepared to empty them before the checkpoint screening.

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