The 3rd generation design, the Pro version provides more shock absorption with heightened base and firmly secure your phone, elastic material reduces the impact during the bike ride Universal design suits most phone devices around 5.8 ~ 7.2 inches and only covers the edge of the screen. Quick Mount/Dismount from your bike in 10 seconds access with ease. Eco-friendly material is stain-resistant and washable Applicable to different pipe diameters up to 1.7 inches, can be fastened on a bicycle stem, handlebar or other bicycle accessories.