Our phone ring holder is compatible with all smart phones and made using high quality zinc alloy and metal. The self-adhesive uses sturdy and durable 3M sticker, no sticky residual after detaching and reusable. The self-adhesive is washable and reusable: Wash it with clear water, leave it dry, and then reuse it (Please do not wipe with tissue or cloth). The ring has an adjustable angle rotating and collapsible design. Multifunctional phone holder - stand on flat surfaces like a desk for movie watching. Perfect for any occasion, add some sparkle to your phone today!