The Anti-bottle is a foldable, reusable, freezable, washable, and attachable alternative to disposable water bottles. They are 100% BPA free and 100% made in the USA. The Anti-Bottles are available in .7L and 1L and are designed to meet the greater hydration demands of those living an active lifestyle. They are perfect for hiking and traveling because they don’t take much room in your bag and you can fill them up on the other side of airport security. They sell for $11.99/$13.99 at http://vapur.us/.