Come and see our amazing products. Our water bag is made of BPA free military class EVA material, no Plastic smell or taste. With double soldering sealing, no crack and no torn. The 2L bladder still stay filled without leak, can resist temperature changes in hot and cold weathers. Hydration bladder is compatible with most hydration packs. The tube provides a wholesome flow for easy drinking, keeping you hydrated when hiking biking climbing cycling running camping. Pls confirm with us about the packing info, stock color and exact production time before placing your order.