Purosol Lens Cleaner Large Clamshell Kit Creates an anti-static barrier State of the art technology Non-streaking. 100% Biodegradable, PET Plastic, most recylable, No VOCs (volatile organic compounds). Made of organic plant extracts, 100% solvent free, Hypoallergenic & non-toxic. Safe for use on sensitive optical surfaces. Inclues Purosol Microfiber Cloth which is engineered to be used with all Purosol molecular cleaning products.