The Terrain Bottle with the new ClickSeal cap offers maximum durability and insulation thanks to the high quality double-walled vacuum construction Hot drinks stay warm for 12 hours, cold drinks for 24 hours, making sure you enjoy your drink until the last drop! The 100% leakproof ClickSeal cap with high flow valve features no threading and is easily opened with a single twist and closed with a slight push on the cap Tasteless and odourless and easy to clean Durable, BPA-free material