This useful bicycle mobile phone holder, made of silicone strap material, shockproof, universal design, suitable for all kinds of mobile phones, the four-corner rubber grip secures your device all-around to guard against any accidental falls. Easy setup and simply attach the mount to your bike by hooking on the adjustable silicone strap, perfect for bicycles, outdoor mountain bike navigation, motorcycles, and strollers, etc. Complies with Prop 65. 2 3/16" L x 1 3/4" W x 2 3/16" H