WARM TIP - This is just a glass, not an assembly. It has no display function. It is used to protect the display assembly. After installing this protector glass, it is very cheap and easy to replace the damaged protective film. SOLID PACKAGING - Packaging enhanced with custom-made EPE foams plus corrugated box. No worry about shipping. Any question,feel free to contact us. EASY INSTALLATION - Do it yourself with reference to videos. As easy as putting a film on your phone. Note: Please wipe the computer screen clean first and remove the protective plastic films on both sides before installation. STRONG & SAFE - Reinforced tempered glass instead of inferior glass. Metal tips are made of quality steel with strong tenacity. (This is front glass cover only, LCD screen not included). COMPATIBILITY - Front glass cover for iMac 21.5 inch Glass Panel, compatible with A1418 series 2012 2013 2014 2015 2017 2019 A2116. BEST CHOICE - If your iMac screen has scratches on the surface or broken defects on the corners of the screen due to touch scratches or too many years of use, or if you want to install a protective glass (such as cell phone film) for your beloved computer screen, this will be your best choice, this glass panel can perfectly cover the defective areas of the old screen.