Geekercity Sport 360 Degree Rotating Bike Bicycle Motorcycle Handle Bar Racks Holder Cradle Handlebar Mount + Smartphone Cellphone Bag Case Pouch This New High Quality Waterproof Leather Case with Mount Holder is suitable for motorcycle or cycle with handlebars 20mm - 25mm in diameter. Mount it on your bike, will convenient you to check time/map/callings/messages no matter on fine day or rain day.It protects in slightly water-drop or rain. Practical design allows for easy installation , mobility, security and adjustability. Clear membrane window allows easy access to the touch screen, convenient to check to time , read maps , pick up emergency calls, or messages.