Nikon LensPen Mini Pro II Compact Lens Pen Cleaning System for Digital SLR Cameras Fast, simple and effective On one end, a retractable soft brush sweeps dust and loose particles away from the glass On the other end, a special dry cleaning compound is used to gently remove fingerprints and spots Absolutely 100% safe for all LCD screens No sprays, no chemicals, no residue, all in a convenient, portable, environmentally safe package