Satisfy Your Thirst compatible with Adventure: This lightweight and comcompatible withtable hydration backpack is a terrific companion to keep you hydrated while running, cycling, hiking or any adventure outdoors. And this pack comes with a pouch on the back to store your phone and essentials3L Hydration Bladder: BPA-Free, taste-free, and odorless. Durable, kink-free sip tube and push-lock cushioned bite valve, gently biting the valve to open up the flow of water; Large 2 opening compatible with ice Square and easy cleaningTrusted Quality: made rugged Nylon(water bag backpack)+EVA(water bag), resistant to tears and abrasion. Durable plastic insert buckles with ultra-high hardnessLightweight & Comcompatible withtable: Weighs only 21 ounces with adjustable shoulder straps, The ergonomic design makes your back more comcompatible withtable. The soft, breathable mesh pad on the back keeps your back cool and dryColour:as shown(Black + Army Green)Material:Nylon+EVASize:47 x 20 x 5CM Package Contents:1 * water bag backpack1 * water bagOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.