Hydrapak Stash Bottle 1LtrA collapsible, 1L water bottle that is super lightweight and easily transportable. Flexible with a thermoplastic polyurethane construction the bottle can easily be twisted down, when empty, to a ¼ of it’s filled size. The bottle’s construction also allows you to freeze the bottles contents or fill the bottle with hot water.FeaturesCompletely free from BPA and PVCTwists to collapse50% lighter than most hard bottlesTPU carry handleExternal capacity gaugeRigid top and bottleWide mouth screw capRF welded seamsCan be frozen or can hold hot waterThermoplastic polyurethane construction1L volume capacityWeighs 107gBuy Hydrapak Water Bottles from Chain Reaction Cycles, the World’s Largest Online Bike Store.