As the other reviewers have highlighted, these aren't big patches, and they are not made of highly absorbent materials.But they are in bulk, so you won't need to worry about buying them again for a while, and the price seemed to be acceptable.The patches I received are small enough that you can use them to clean a .22You will need to use more than one to clean higher calipers, but you've got 650 of them, so it isn't too painful to throw an extra one or two on the cleaning rod.