Collapsible Water Bottle, BPA & Phthalate Free, Leak Proof food-grade Silicone, 17oz, Compact & Portable For Outdoor Activities Like Hiking, Cycling, Camping, Running, Biking, Traveling, etc. Collapsible & Compact - Designed to maximize storage efficiency so that anyone can be hydrated without getting weighted down and without awkward and bulky packing situations. Reusable - Designed to be multi-functional and to be used for various outdoor activities where staying hydrated is important while also not be annoyingly bulky and cumbersome to carry around. Safe To Use - Made with the highest quality grade silicone on the market which will help in durability, and help provide leak-proof performance, while avoiding offensive ordor and after taste. Innovative Design - Convenient form factor, soft contour, easily to grip designed to be easily handled for both kids and adults. Environment Friendly - Engineered to be safely used in dishwashers, freezers, and microwaves. Note, please remove metal ring when microwaving.