Soft Pipe Cleaners The 6" tapered soft bristle pipe cleaner by Randy's are made of 100% unbleached cotton wrapped wire. These bristle cleaners are perfect for cleaning are great for normal cleaning or for pipes that need non-abrasives. For an extensive range of other styles check out our preserve section. Pipe Cleaner Features: Size: 6" Long 100% Unbleached Cotton Tapered for easy cleaning