PY Scratchback Stayflat Kentucky Mop - Box of 40Pack of 40 PY yarn Kentucky mop with an abrasive scratchback centre band for removing dirt whilst mopping. The stayflat band keeps the yarn flat on the floor, enabling the mop to cover a larger floor area, whilst the looped end yarn reduces linting and avoids the yarn tangling in use. White colour scratchback is standard, and also available with coloured scratchback.