Package includes: Guide paper, cleaning cloth, positioning stickers, screen film. Made of prime PET material, ultra thin and durable; the third generation AR technology with HC, AG optical coating, 99% high transmittance The hydrophobic and oleophobic surface is not easy to adhere dusts and dirts Scratch resistance coefficient up to 4H, which can effectively keep your MacBook screen safe from scratches in normal usage The film with automatic adsorption layer can reduce bubble air and be easier to paste; leave no residue when removed This size is designed for MacBook Air 11", not compatible with other models