Outdoor sport water bag backpack 1.high quality and low price 2,freesizes 3.8 color .material:oxford ,customized is welcomed 5 payment term.safety payment 6 fashion style,new style eco-friendly material.It is Lightweight, Relaxed and Comfortable to wear it is perfect for casual, hike, beach, camp,travel and winter summer wear Package Content:1 x bacpack+wate rbladder outdoor cooling water bag equipment. that's easy to love the season..syi