YEDAYS Collapsible Silicone Water Bottle, 17oz,BPA Free, FDA-approved Reusable Leak Proof Cup for Sports & Outdoors BPA FREE - Food grade silicone body PP cover, BPA Free, FDA approved. SPACE-SAVING - Capacity of 500ml water, and it is foldable without leaving any crease, takes very little space when empty. SPACE SAVER- Lightweight, easy to fold up to 1/3 size when it's not in use due to its soft material. A plastic ring design make it easier to hang, use a carabiner to hang it to your bike, waist belt or hiking bag, backpack, and luggage. Great for traveling, fishing, exploring, daily walking, camping, cycling, hiking, running ,yoga, exercise and gym EASY TO FOLD & CLEAN - The bottle's wide mouth design for easy cleaning. Clean with soft bottle brushes or rub the bottle with hands and rinse with water