iYonch Collapsible Silicone Sports Water Bottle,750mL/26floz BPA Free FDA approved Foldable Leak proof Drinking Water Bottle for Hiking Camping Running Yoga Gym Outdoors HIGH QUALITY MATERIAL: Medical and food grade soft silicone,BPA FREE, FDA APPROVED 100% LARGE CAPACITY but SAVE SPACE:750mL/26floz capacity.Rolls up and bend it to make more compact around 1/5 size of empty bottle,which can put in your backpack or purse to save much space for you. Very easy to use and easy to fill the lid just unscrews. CONVENIENT:You can use a carabiner to hang it to your waist belt, bike or hiking bag, purse, backpack, and luggage. Great for traveling, fishing, exploring, daily walking, camping, cycling, hiking,running ,yoga,exercise,fitness training,gym,going to the beach, and park. LEAK PROOF: The cap on the bottle seals up tight, even when you turn it upside down no liquids come out. Even to be a waterproof container. DURABALE: Do not worry about breaking the bottle as it is made of silicone. Specially the best choice for your kids.Without any fearing of breaking when they are in sports or playing.