Bike Handlebar Bag For Touch Screen Mobile Phone Bag Cool Black M Size M Size: L17.5*W8.5*W10.5CM fits the Samsung S4 Roswheel specialized design, fixed more firmly and not swing. Special deisgn for easy installation on all types of bicycles. Roswheel custom-made dacron, transparent PVC and PU. With the clear PVC touch screen panel , you can operate your cell phone easily.