?To ensure you receive high quality products and supply with warranty Service, please buy authentic Wensor product from Wensor direct? unique design: This phone ring is made to be transparent, allowing you to keep the unique design of your phone case but also giving you the features of having a phone ring holder. | Free Rotation: The 360° rotation and 180° flip help you adjust your phone to different viewing angles to watch movies and videos. Benefit to touch more spots on phone screen and conveniently operate. | Durable material: environment-friendly material and strong adhesive sticky to make the phone ring holder stand can be glued to the back of your tablets/phones or their cases firmly; make sure easy Installation. (Please do not pull the finger ring stand after you stick it on your phone, because the 3M adhesive is not sticky enough within the next 24 hours. Don't stick it on a glass phone) | Strong firmly grip: the cell phone ring grip holds devices firmly, prevents your phone from dropping & reduces the risk of theft, while you are operating phone or taking photos. The cell phone finger ring can also be used as kickstand. It’s the best product for you to hold your PHONE with only one hand. | Universal compatibility: this iPhone ring loop can be used on most smartphone and phone case, such as iPhone 8 Plus/8/7 Plus/7/6S Plus/6S/6/SE/5/5S and Samsung Galaxy S8/S7/S6, Note 6/5/4/3, tablets and iPads etc.