Collapsed size just 2.6" long! Space saving for hiking, camping and travel. Large Capacity, An expanded water bottle can hold a full 20oz of water. Suitable for cold & hot water, -58°F to 392°F (-50°C to 200°C). Food-grade silicone, healthy, safety. BPA free silicone collapsible water bottle. Product Description ABOUT SILERTISAN BANEFITS OF COLLAPSIBLE WATER BOTTLE TWO SIZE MOUTHHumanized two mouth design. Wide mouth for quick refills, adding ice cube and bottle brush cleaning.COLLAPSIBLEFoldable type, easy to carry, it conveniently rolls up or squashes down when space is tight.HEALTH SAFE MATERIALSMade of all food-grade materials, BPA free. Suitable for cold & hot water.LARGE CAPACITYAn expanded water bottle can hold a full 20.3oz of water, perfect for gym, hiking and travel. COMFORTABLE TO USE Our reusable, convenient, collapsible water bottle is perfect for hydration on-the-go.