... to carry (2)Durableness, (3)Lightweight. 1L TPU camping water bladder,camping water bladder,hydration water bladder,camping water bag(1)Capacity:1L(2)portable, easy to carry (3 ... Time Supply Ability AW-WB1L 3000 pcs NingBo opp bag 30days 100000pcs Water bladder with a hole ,use it to drink. climing,jogging ...