Fits 7mm-.38 Cal. / 6mm Benchrest (Excellent for .30 Cal. Rifle); 1 3/4" Square Patches; American Grown finest quality cotton, milled in America to Pro-Shot Specifications; Consistent thickness, shape, and white in color; Designed to handle all solvent types, even harsh chemicals; Superior Weave Technology (SWT) - Exclusive thread count with a weave designed to catch/trap more fouling; Packaged in reusable zipper top bags; 500 Count / Pack; Made in USA