Sports Hydration Pack with Durable 300D Rip Stop Construction including a 64oz Bladder polyester A PERFECT FIT Padded shoulder/chest straps. The chest straps makes sure it doesn't bounce when you move. HYDRATION PACK Measures 10" x 16" x 2-1/2" Put your phone, tablet and other neccesssities inside for safe keeping. WATER RESISTANT AND DURABLE: Constructed of 300D Hex Ripstop Material which water resistant so your belongings stay dry in light/medium rain. Durable and rip resistant. BLADDER Includes a 2.0 Liter/64 Oz. BPA Free bladder which keeps you hydrated. Go for a full day of hiking, cycling, running or bikin LEAK FREE Easy CleanUp Durable A Lightweight Backpack for complete hydration