Oppo hydrogel screen protector. protect same as tempered glass. Auto recover for small scratch, bubble will auto goes off after 1-2day. Please refer photo. this is easy fix version. refer pic for installation guide.Package come with Front and Back* both side hydrogel screen protector. Good in protection, no need always change like tempered glass easy crack. Come with Installation Tools pack. (1 push card, 1 cleaning pack)Inside Cleaning pack (dust remover sticker, alcohol wipe, cleaning clothe)May search Hydrogel protect Vs tempered glass at YouTube to see the protection. The back is for Reno 4pro 5G version.*