• PVC
• Durable water bag--high- material and fine craftsmanship, strong and sturdy for long serving life,Hiking Water Bag
• Outdoor water bag--adoption of , very durable, not easy to break,Collapsible Water Container Bag
• Professional water bag--large capacity water container, suits for camping, hiking, backpacking, self-driving trip, etc,Water Container
• Portable water bag--made of food-grade material, safely with food or water, Water Bag
• Water storage carrier bag--easier to open or tighten the lid without any water leakage,Emergency Water Bag