The next time you're burning through a dozen mags at the range, worry no more about your pistol mags mysteriously disappearing. GunSkins Pistol Mag Skins are non-permanent vinyl decals that enable you to customize and identify six of your mag base plates in less than a minute. Designed for 9mm and .40 caliber double stack magazines. GunSkins are 100% waterproof, non-reflective, and made in the USA. Organize and identify your rounds by caliber, capacity, and more with GunSkins!