Product structure: Portable water bag with integrated design, using high-performance waterproof design. There is a seal on the lid and it will never leak even if you press hard. Immutable types do not age. High quality PVC fresh water hose, length 100 cm. Each product is rigorously tested and can be installed at room temperature. It cannot be filled with drinks and hot water. HIGH CAPACITY: The 3L portable hydration pack is enough for daily needs. The large airbag opening makes filling and cleaning very convenient. The ergonomic handle makes the grip more comfortable, and the water inlet plug is designed to prevent spills. High quality material: PVC drinking water pipe for backpack d hydration. The bag is translucent and has a printed volume scale. A bracket for use with the rear suspension is attached. Foldable collection, easy to carry. Excellent overall usability Features: Large water inlet bladder, 100mm inner diameter. In addition to the function of easily placing ice cubes in the bag body to clean the inside of the water bag, you can also easily grab the bag body and turn it over to thoroughly clean the water bag. In special cases, you can also top up valuables such as mobile phones<br> 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. Sold by-Minnanxin