TechnologyLK weapon protection bags with Zerust rust prevention technology keeps your firearm looking brand new. The Zerust formula used to create TechnologyLK weapon protection bags is non-toxic and safe to use on your firearms. It won't leave a residue on the metal or the wood. TechnologyLK weapon protection bags protects any ferrous metals, including iron, steel and cast iron from rust and corrosion. Our weapon protection bags are effective, simple to use and an affordable rust protection solution. You will also save time from having to oil and put WD-40 on your firearm every year which can wind up causing damage. When storing your firearm make sure to clean and cool the weapon, and the TechnologyLK weapon protection bag will do the rest. Your gun will be safe from corrosion for up to five years from the date of first use. Plain closures can be secured with zip ties or twisties. Weapon Protection Bag Size: 10 in x 18 in Thick: 4 mil Pack of Three