Outers .23-.28 Caliber Bulk Cotton Cleaning Patches 250 Patches. Our time tested cleaning patches accurately apply and spread our cleaners degreasers lubricants and protectants helping these chemicals more effectively do their jobs. And after that work is done they wipe away leftover solvent oil debris or other moisture to protect the bore of your favorite shotgun rifle or handgun. Precisely measured and cut to assure complete bore coverage on specific calibers. Bulk bagged for long term use. Resealable bag for added convenience.