Shield and protect against scratches, smears, dust and dirt, and keeps the screen of your Surface PRO in perfect condition. Screen protectors provide crystal-clear visibility and do not interfere with touch-screen operation. Anti-glare function helps reducing glare for outdoor use. Each overlay is custom designed to fit, protect and enhance the performance of your Surface PRO. Applied with a mild adhesive, each screen protector will not leave a residue on your screen and can be expected to last for as long as you wish to keep it on.