MyFriday Foldable Bottle Silicone Sports Water Bottle BPA Free FDA Approved 100% Food Grade Silicone Collapsible Unbreakable Leak Proof Reusable Heatproof Travel Bottle for Kids 11OZ 320ml Non-toxic: Made of 100% food grade silicone. BPA free and FDA Approved. Healthy and NO funky plasticky taste. Foldable Design: You can easily fold it down to about 3-4 inches and tuck it into any bag or pocket to save space. It also has a hook, you can hang it on your backpack, bicycle or some place else when you are hiking, riding, jogging, camping, travel and etc. Cost-effective and Eco-friendly. Reusable and refill for any liquid. Tolerates different temperatures. Soft and with good flexibility. Good quality food grade silicone makes it extremely hard to be screwed out of shape. Durable, Easy to clean, Virtually unbreakable and Leak-proof. Easy to fill with water or ice cubes with wide mouth and hold up well with no leaks