This product is used by shooters to protect pistols and other metal objects, whether in a gun safe or in a bag, locker or equipment box. The product deposits an invisible monomolecular coating on any exposed metal, leaving glass, plastic, wood, leather etc. totally unaltered. VP90 vapor deposits an invisible monomolecular film that bonds to any exposed metal surface. Since the VP90 does NOT absorb moisture, it will not dry out wooden weapon butts, thus preventing the cracks and splits associated with heaters and desiccants in weapon safes. It will work regardless of atmospheric humidity and can also be used in combination with desiccants if needed. The new Super VP90 now lasts even longer and will protect an area of 1 cubic meter (35.5 cubic feet) for over 1 year. Gross weight: 27 grams.