This is a phone holder to fit on a bike. It is designed to be positioned on the handlebars and can be turned by 360 degrees so you can position your phone as you wish. It has sun protection to make it easier to see and is waterproof so the phone will stay dry even in extreme weather conditions. It is suitable for handlebars less than 45mm and can be adjusted to fit. The case is 7.1 inches by 4.3inches and 1 inch thick so will work with most brands of mobile phone. The waterproof case also has slots for other things and a space for earphones to go through.