For .22 to .270 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