AFTERSHOCK Premium Cotton Patches are made of 100% cotton flannel and are available in various sizes to cater towards the most popular calibers. AFTERSHOCK Premium Cotton Patches should be used to free your firearm from any build-up. For peak results, we recommend pairing with Legend AFTERSHOCK CLP. This pack comes with 500 individual 1 1/8" square cotton patches ideal for the following calibers: .22CAL, 5.56MM, .270CAL, 7MM.Features : "1 1/8" Patches" 500 Pack Ideal for the Following Calibers: .22CAL, 5.56MM, .270CAL, 7MM