Survival Water Filter Reliable For Camping Hiking Survival Water Purification System For Survival Foldable Lightweight This survival water filter redefines the way you get clean water for adventure and emergency preparation. As the companion for outdoor exploration, it is designed to meet the needs of hikers, campers, and backpackers, providing clean and safe drinking water wherever you go. Features: Strong filtering ability, removing harmful substances such as red worms, bacteria, viruses, and heavy metals in the water. Made of food-grade TPU material and baby-grade silicone suction nozzle, safe and environmentally friendly. Lightweight, foldable, reusable, and lightweight. Easy to operate, convenient for hydration. Suitable for outdoor sports such as running, hiking, Cycle, mountain climbing, and also suitable for emergency use in special scenes such as floods, hurricanes, forest fires, earthquakes. Specifications: Material: Food-grade TPU, baby-grade silicone Colour: Transparent or blue(Optional) Capacity: 400ml or 500ml or 1L(Optional) 400ml Weight: 41g or 1.4oz Bottom Bag Diameter: 6cm or 2.4in Bag Height: 19cm or 7.5in (excluding lid) Including Lid Suction Nozzle: 24cm or 9.4in. 500ml Weight: 50g or 1.8oz, Bag Height: 21cm or 8.3in (excluding lid), Including Lid Suction Nozzle: 26cm or 10.2in. 1L Weight: 59g or 2.1oz, Bag Height: 22cm or 8.7in (excluding lid), Including Lid Suction Nozzle: 28cm or 11in. Package list: 1 x Filter Soft Water Bag Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.