These 100% cotton, 2 inches patches are engineered to clean .17 to .223 Cal firearms using a proprietary patch method. Each patch can be utilized up to six times, providing six new cleaning surfaces. When affixed to the slotted tip, they form a perfectly circular cleaning swab, enabling 360 degree coverage of the bore. Otis technology 2 inches circular gun cleaning patches, engineered for precision maintenance of small caliber rifles and pistols, ensuring optimal firearm performance and longevity 1,000-count gun cleaning patches Manufactured in the United States