ONLY compatible with iPhone 13 Pro Max case 6.7" 2021 released. Ultra-thin TPU design, fits snugly and provide a lot of protection without adding bulk, protect your phone from scratches, bumps and other daily damage. Stylish Pattern Design:Slim Fit Case made with Flexible TPU and IMD Technology,stylish and never-faded pattern,makes your phone eye-catching and attractive. Built-in unique 360 degree adjustable ring holder fits comfortably over your finger to provide additional security when holding the phone and can comfort hands-free use,watching movies or videos. Precise port cutouts:Highly responsive flexible button covers and precise port cutouts for speakers,camera and other ports,you can access to all the controls and features.