The easiest, most convenient water bottle ever. Drink without tilting the bottle, with water moving at a consistent, steady flow. This is achieved by a combination of the internal straw and triple valve system. The bottle also comes with a Hydrapak drink tube extension, which enables you use the water bottle without taking off your full-face helmet. The water triple-valve and upright drinking system was designed with safety in mind, helping you to keep your eyes on the trail while drinking.The triple valve system makes drinking easy with a constant and steady flow of water The Hydrapak BLASTER™ bite valve self-seals after each sip A second, internal valve prevents water from coming back down the straw, keeping water ready and requiring less effort for water to move up A third anti-vacuum valve equalizes internal pressure, popping the bottle back to shape faster Includes Hydrapak drink tube extension very helpful wearing a full-face helmet! The lipped cap provides extra grip to remove the bottle from the holder TasteRight plastic is odourless and without aftertaste The wide fill opening makes it ice-cube-friendly Disassembles for easy cleaning Weight: 75g (750ml)"