Pro-Shot 7mm - .38 Caliber/6mm Benchrest 1 3/4" Cotton Patches, 500 Count American Cotton. The fact is well-known that nothing surpasses 100% cotton flannel fabric for purposes of absorbing foreign matter and residue, and in turn carry it through the bore with the least amount of abrasive contact to the barrel's rifling This is a manufacturer's picture, so the item may not be exactly as it appears in the picture.