Safe Silicone Material Our foldable water bottle is made of food grade PP, which is BPA free and odorless. The foldable water bottle is soft and durable, so it can withstand drops and is safe for everyday use. Space-saving design: the foldable water bottle is a practical companion for travelling. Foldable water bottle folds easily to take up 70% less space. Ideal for storing in bags or backpacks. Leak-proof design: thanks to a leak-proof seal, your foldable water bottle stays tight even if it is turned over. The crash-proof design makes the foldable water bottle the perfect companion for outdoor activities such as cycling and running. LIGHTWEIGHT AND FLEXIBLE The foldable water bottle is remarkably lightweight and flexible. Collapsible sports water bottles can be easily stored in a backpack, sports bag or luggage, so you always have enough water with you. Easy to use: the foldable water bottle has a large opening that makes filling and cleaning easier. This foldable water bottle is perfect for fruit teas, ice cubes and more.