Compatibility Specially designed for Samsung Galaxy Z Flip 3 5G 2021. Not fit for Samsung Galaxy Z Flip or other phone models. Not Tempered Glass. Premium Quality Super strong adsorption force make it possible to stick to your curved phone screen. Abrasion Resistant, Oil resistant, High Definition and good elasticity. Bubble-free Innovative two-section design, four-layer, ensures most simple and quick bubble-free installation. If there are several bubbles after installation, please wait for 24 hours till they disappear.