KingTECH Roswheel 4.8inch Bicycle Top Tube Bag with Cellphone Touch Window Rip-stop 600D polyester material for superior durability PVC transparent cellphone touch window convenient to operate during cycling Dimensions:4.8inch ,18.5*8.5*8.5(W*D*H)cm,perfect use for Samsung Galaxy SIII,Nokia920,HTC One and others 1.2 Liter capacity Reflective stripe design as a warning signal at night or in the dark