... 3) Feature: Eco-Friendly 4) Easy to drinking water 1. Water bladder Material: EVA,PVC,PE,TPU Capacity: 10L, 15L ... tensile, tearing, adhesion strength3. Eco-friendly to hold drinkable water, as well as applied in shoes, medical equipment.4. ... color boxWe are a special manufacturer of water bag, solar shower, water carrier, hydration bladders. Environmental easy carried collapsible water bags/container