... nonpoisonous plastic hydration watering bladder 1.flexible 2.wear proof 3.small volume 4.light weight Item name:nonpoisonous plastic ... , plant houses, militaries, city halls, etc.Material pvc:1. Nonpoisonous2. Tasteless3. No pollution to water4. Wear resistant, ... folded, easy packing6. Light weight, less freightTechnological process:1. Base fabric high tenacity polyester2. High-frequency welding or ...