TAPCO 1in Round Patches - .22 Cal to .270 Cal - 300 Count - TAPCO 1 in Round Patches are all 100% Cotton Flannel Fabric great at absorbing foreign matter and residue. With an extreme absorbency finish on both sides clean faster, easier, and protect your barrel. Fits .20 CAL -22RF -22 CF, 6mm-.25 CAL -6.5mm-.270 CAL. 100% Cotton Flannel Double Sided Finish 300 Count