1/1.5/2/3L Water Bladder Backpack Hydration Pack Bag Outdoor Water Bags Hot UK
Item:Water Bladder. Capacity:1L;1.5L;2L;3L. After filling with water, pull open the sealing switch, unplug the nozzle protection cover, and bite the nozzle lightly. Do not fill with water above 50 degrees to avoid scalding yourself.