ITEM NAME:Outdoor Hydration Backpack Bottle For Hiking With Detachable Drinking Tube FT Features: 2L water pouch, ultimate remedy against dehydration Easy and fast hydration thanks to plug-n-play system, open with mouth, specially designed on/off system for firm closure of valve while on the go -Flexible tube 105 cm long, compatible with all Aonijie backpacks, outlet on side, protective piece for nozzle PVS and Bisphenol-A free, TPU (Thermoplastic Polyurethane) material Specification: Item:SD12 Water Bladder Material:TPU Color:Blue Capacity:2L Weight:120g Recommended Water temperature:-20℃ to 50℃/-4Â °F to 122Â °F Package included:1pc* water pouch Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures. Features: 2L water pouch, ultimate remedy against dehydration Easy and fast hydration thanks to plug-n-play system, open with mouth, specially designed on/off system for firm closure of valve while on the go -Flexible tube 105 cm long, compatible with all Aonijie backpacks, outlet on side, protective piece for nozzle PVS and Bisphenol-A free, TPU (Thermoplastic Polyurethane) material Specification: Item:SD12 Water Bladder Material:TPU Color:Blue Capacity:2L Weight:120g Recommended Water temperature:-20℃ to 50℃/-4Â °F to 122Â °F Package included:1pc* water pouch Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures..Item:SD12 Water Bladder. PVS and Bisphenol-A free, TPU (Thermoplastic Polyurethane) material.