GUN GUARD Oil-Soaked Perforated Flannel Cloth: The Pinnacle of Firearm Upkeep Our product is crafted with the utmost care, ensuring your firearms are not just cleaned but meticulously maintained. The 100% premium cotton perforated flannel, soaked in our specially formulated oil, offers unparalleled absorbency, gentle cleaning, and longlasting enduring protection against rust and corrosion.