Features： 1、Product Structure: One piece molding, which can be used with special water bag backpack, designed with excellent sealing performance, there is a gasket in the cover, which absolutely prevents water leakage, even if forced to squeeze, there is no leakage. 2、Dust Cover: The mouthpiece is equipped with a special dust cover to preserve the cleanness of the mouthpiece. Each product has been strictly tested and is suitable for drinking water at room temperature, and cannot be used for drinking water or hot water. 3、Anti Aging: Eco friendly product, made of TPU bag body, 100cm high elastic soft PVC drinking water pipe, unchanged and non aging, new water stop switch, straw design can free hands when drinking water, facilitate continuous movement, cycling, etc. 4、Features: The bag body is translucent and printed with a capacity scale, attached with a lifting lug for use with back hanging, can be folded and collected for easy carrying, the super large water inlet has an inner diameter of 100mm. In addition to the function of easily putting ice into the bag, you can put your hand into the bag to clean the inside of the water bag, and you can easily grasp the bag and turn it over to thoroughly clean the water bag. In special cases, you can also load mobile phones and other valuables. 5、Application: It should be used in various outdoor activities, not allowed to drink freely at one time when exercising. The water bag is equipped with a 100cm long soft drinking pipe, which can facilitate drinking even if it is placed in the backpack, replenish a small amount of water many times in a timely manner. It relieves the trouble of opening the bottle cover for drinking water many times, and provides convenience for outdoor athletes. Specification： Item Type: Outdoor Cycling Water Bladder Material: Bag body (food grade TPU), nozzle (food grade silica gel), drinking pipe (food grade PVC) Color: Blue Drinking Water Pipe Size: Approx.100cm / 39.4in(including nozzle) Water Bag Film Thickness: single layer Approx.0.3mm / 0.01in Package List： 1 x Water Bag  1 x Hose