Our collapsible water bottle made of food grade safe plastic,safe to keep water, provide beverages, light weight, reusable and with long service life. Each collapsible water bottle is equipped with a metal clip that is designed to connect the water bottle to the bag, bicycle or belt, making the entire trip easier to carry and less likely to be lost. The ultra-lightweight collapsible water bottle is ideal for staying hydrated and refreshing when hiking, camping, jogging, cycling or traveling.