The thinnest 2-in-1 phone stand & wallet allows for vertical and landscape viewing, and doubles as a secure 3-card holder. It always stays by your side on-the-go via its adhesive backing. COMPATIBILITY Work with: Phones 4.7" or larger with plastic/metal/crystal back. Please make sure there's no obtrusion/lends/sensor/grill in the area. Dimensions of the Stand & Wallet: 3.6*2.5*0.18 in Doesn't work with: Phones with a curved back or textured matte glass back like iPhone 11 Pro/11 Pro Max/12 Pro/12 Pro Max/13 Pro/13 Pro Max. Silicone phone cases, leather cases, or cases with uneven texture. While its adhesive sticks to a bare phone, we recommend attaching it to a case with a smooth, flat back.