Features: Strong filtering performance, effectively reducing harmful contaminants such as bacteria, viruses, and heavy metals from water. Made from food-grade TPU material with a baby-grade silicone suction nozzle, ensuring safe and eco-friendly use. Lightweight, foldable, and reusable design for convenient portability. Simple to operate, ideal for staying hydrated on the go. Suitable for outdoor activities including running, hiking, cycling, and mountain climbing, as well as emergency situations like floods, hurricanes, wildfires, and earthquakes. Specification: This survival water filter redefines how you access clean water during adventures and emergency preparedness. Designed as a reliable companion for outdoor enthusiasts, it meets the needs of hikers, campers, and backpackers by providing clean drinking water wherever you are. Features: Advanced filtration capability removes bacteria, viruses, and heavy metals from water. Constructed with food-grade TPU and baby-safe silicone suction nozzle for safety and environmental friendliness. Compact, lightweight, foldable, and reusable. User-friendly operation for quick hydration. Ideal for outdoor sports such as running, hiking, cycling, mountaineering, and emergency use during natural disasters including floods, hurricanes, wildfires, and earthquakes. Specifications: Material: Food-grade TPU, baby-grade silicone Color: Transparent/Blue (Optional) Capacity: 400ml / 500ml / 1L (Optional) 400ml: Weight: 41g / 1.4oz Bottom Bag Diameter: 6cm / 2.4in Bag Height: 19cm / 7.5in (excluding lid) With Lid and Suction Nozzle: 24cm / 9.4in 500ml: Weight: 50g / 1.8oz Bag Height: 21cm / 8.3in (excluding lid) With Lid and Suction Nozzle: 26cm / 10.2in 1L: Weight: 59g / 2.1oz Bag Height: 22cm / 8.7in (excluding lid) With Lid and Suction Nozzle: 28cm / 11in Package List: 1 x Filter Soft Water Bag