This bike phone holder has a extra bag compared with other bike phone holders. The phone bag may keep your phone safe and and water, not your at the same time. 360° rotatable base mount offers good viewing angle, can keep your phone in any direction as you like. Feature - Color: Black - Mount Material: ABS - Size S: external size 138x75x30mm ;interal size 125x60x25mm - Size : external size 150x85x30mm ;interal size 135x75x25mm - Size L: external size 160x100x30mm ;interal size 150x85x25mm - Size XL: external size 183x110x30mm ;interal size 168x92x25mm - This waterproof bag case comes together with a bike phone base stand. - Made of durable and stable material, it keeps your devices sealed from water, rain, , dirt and sand. - 360° rotatable base mount presents the good viewing angle, can keep your phone vertical or horizontal as you like. - It contains two removable EVA pads, which allows you to apply the perfect level of pressure on your phones. - The diameter of the cradle is adjustable, just loosen or tighten it to fit your handle, tools required. - Please refer to the size chart . Package list: 1 x set of Waterproof Bike Phone Mount Holder 360 Degrees Rotation Phone Stand for