PcProfessional Screen Protector (Set of 2) for Lenovo B40 21.5" All-in-One Touchscreen Desktop High Clarity Anti Scratch filter radiation+ high quality microfiber cloth Great protection for your laptop screen High Clarity, Anti Scratch, Anti Fingerprint, filter laptop screen radiation Made from triple layer high quality electrostatic material dust particle removal sticker is also included A high quality microfiber cloth is included for cleaning purposes