• PVC
• Outdoor water storage bag--adoption of material, very durable, not easy to break,water carrier
• Hiking water bag--versatile and multi-functional, it can be used as a food container, or a water container.​,professional water bag
• Portable water bag--easy to carry out, can be placed in your car or bike, very convenient,practical water bag
• Outdoor water bag--great for outdoor camping, hiking, picnic, bbq, travel and much more,water storage carrier bag
• Water bag--wide-mouth opening make it easier to fill with water,durable water bag