Shooter&';s Choice 100% cotton 2 1/2 inch square gun cleaning patches are brushed on both sides to remove excess lint; and are super absorbent to not leave any streaking in your barrel. Patch sizing is below; trim to fit as needed. 2.5" Patches (this product) .30, .30-06, .30-30, .303, .308, .300 Win. Mag., .32 CAL, 7.62MM,8MM, .338, .340, .35 CAL, .357, .370, .375, .380, .38 CAL, 9MM,9.3MM, .40, .401, .404, .405, .41 CAL, 10.75, 10MM, .44, .444, .45,.458 CAL