Made of Silicone;Smartphone pocket with rotating Metal ring on back that transforms device into stand; Includes removable adhesive for placement on back of smartphone, cell phone or mobile device; Single pocket doubles as a wallet – insert transit cards, credit cards, IDs, and business cards; Holds approx 3 cards; United States Design Patent No: D874454; Product Size: 2.25" w x 3.5" h x 0.375" d;