Green onions supply AG2 Anti-Glare Screen Protector, 18.4" wide (RT-SPM18X02) Transforms an Alienware M18x screen into a medium matte finish Reduces glare while retaining high clarity Protects screen and bezel from scratches and smudges Slim film fits inside a closed laptop Removable, reusable, and residue-free Display Size Supported:18" LCD Package Content MicroFibre cloth Display Screen Size Compatibility 18.4" wide