Description: Bite the silicone nozzle, a light squeeze provides abundant hydration. Convenient foldable water bottle for outdoor sports. The foldable water bag is very small and lightweight, which easily fits into tight spaces and allows you to take it anywhere. With bottle caps to keep the water nozzles clean in harsh environments., The water bottle filter is made of TPU plastic, soft silicone nozzle nozzle, no specific smell, it is very durable. The advanced 0.01 micron ultrafiltration membrane can help filter water effectively. It can effectively turn lakes, rivers, streams into drinking water and is ideal for outdoor hiking, camping, hunting, traveling, and emergency preparedness. Specification:Material: TPU, Silicone Size: 24x8.5x 3cm/9.4x3.3x1.2inchCapacity: 500mlPackage Included:1 Piece Foldable Filtered Water Bottle