Come and see our amazing products. This folding water bottle is made of food-grade silicone, food-grade PP material, and the cap is 304 stainless steel. It can hold up to 500ML oz when opened. Outdoor sports, camping is easy to carry, very light and space-saving. Not easy to leak, not easy to deform. Pls confirm with us about the packing info, stock color and exact production time before placing your order.