Searching " Ermorgen screen protector" on Youtube to get video installation instruction for perfect installing. ATTENTION: Please contact our customer service team to help you if there are installation issues. Ermorgen's Screen Protectors are backed by a lifetime warranty. ?Super soft? Softer and smoother than regular material PET. Touch Smooth like Silk. Perfect fit for your phone with Our Special Installation Instruction. ?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. ?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. ?Full Protective?3 pieces of the whole film are used for the front screen, 3 pieces for the back screen, extra 3 pieces film for the back of the phone. Perfect fit for Samsung Galaxy Z Fold 3. Ultra-thin: 0.15 mm.