Lipirox (TM) Collapsible Water Bottle, 17 Oz. Sports Water Bottle, Foldable Silicone Bottle FOOD-GRADE SILICONE MATERIAL; rigid when full and rolls up when empty, making water bottle perfectly collapsible. POP-UP LID; collapsible water bottle suitable for one-handed usage when cycling or driving. Ideal for hiking, walking, skiing, jogging, mountain climbing, snowboarding or long trips, fits in up to 17oz of water. PHTHALATE-FREE, BPA-FREE; recyclable, non-toxic, microbial-resistant and safe for humans and environment; no smell, after-taste or stains. LIGHTWEIGHT, LEAKPROOF AND CONVENIENT; easily packed with other belongings or in a small pocket without water spillage. WIDE TOP, REMOVABLE CAP; makes it easy to clean water bottle.