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 1.6 inches, can be fastened on a bicycle stem, handlebar or other bicycle accessories. | Every product we sold comes with a 1-year product warranty. Feel free to contact us anytime if you have any question about the product and your order