Ultra durable BPA-free 3-ply material. Dishwasher safe Foldable, portable and flexible. Reusable and Freezable Wide mouth opening; integrated clip keeps rolled bottles pocket friendly Super cap-flip cap. Tough Seal. Easy open Designed in the USA Hydrate your need, Adrenaline Junkie! Every day should be a new adventure and the bottle you drink from should be as flexible as you. That's why the Vapur Element and integrated SuperCap were designed from the ground-up to meet the performance needs of outdoor enthusiasts everywhere. The Elements patented flexible design is lighter and easier to hold than rigid bottles, keeping you hydrated no matter the terrain.