Einfach Collapsible Water Bottle BPA Free Leak Proof Silicone Sports Bottle Foldable for Traveling, Camping, Hiking, Walking, Running BPA FREE - Food grade silicone body PP cover, BPA Free, FDA approved. SPACE SAVING - Capacity of 17oz water, and it can be folded to 1/5 of the size for easy transport without leaving any crease, takes very little space when empty. LEAK PROOF - With improved cap, never leak. MULTIPLE USES - It can be put into ice, accidental scalding or a cold have a fever can use it to lower the body temperature. When the weather is cold, it is a hot water bag. 100% Money Back Guarantee-If you decide, for any reason, to return your order, you'll be entitled to a prompt refund or exchange - whichever you prefer!