Hoodman makes lens cleaning convenient and quick with its new "Lens Cleanse"tm natural lens cleaning kits. Enzyme activated / Eco responsible Specially formulated enzymes actually breakdown grime to super clean photographic lenses and filters without harming delicate optical coatings or the environment. Convenient wet & dry kits store in your camera bag ready to tear open as needed. No need for bulky, leaking, caustic chemical bottles to clean your lenses.