SEAL 1 SS-10 Skinz Pre-Saturated Cleaning Patches For .270 to .38 caliber Pre-saturated with Seal 1, a non-toxic cleaner that dissolves carbon on contact and reduces the time it takes to clean, lube and protect your firearm Creates a barrier that resists fouling particles such as copper, lead, sand, dust and dirt Cleaning time is reduced as the SEAL 1 CLP PLUS creates a protective barrier that prevents fouling from sticking 100% USA made