Smatphone cover + mounting kit for bicycle. Compatible with iPhone 4 / 4S. Nylon with PU coating. 100% waterproof. Black color. Enjoy the advantages offered by the apps on your smartphone on your bicycle. 1. Quick release mount. 2. Double fittment, to the handlebar or stem, of any size. 3. Preserves the touch screen system. 4. Double safety lock. 6. 100% safe. Your iPhone 4 / 4S will stay dry, stable and protected while you ride your bicycle on any type of terrain.