Nine Forty Industrial | Commercial Strength Premium Looped End Floor Cleaning Wet Mop Head Refill | Replacement &ndash; Heavy Duty 4 Ply Synthetic Yarn (1 Pack, Large) Large 24oz Premium Wet Floor Mop Head Replacement is Hand Sewn in the USA with High Quality, Custom 4-Ply Synthetic Blend Yarn; Looped End Construction Virtually Eliminates Lint, Untwisting, and Fraying Heavy Duty Multiple-Stitched Fan-band Prevents Tangles, Extends Mop Life, and Improves Floor Cleaning Performance and Launderability. Mop Refill Works Great on all Industrial | Commercial | Residential Surfaces; works best with standard janitorial floor cleaner and mop bucket with wringer Mesh Headband Allows the Cloth Mop Head to Dry Quickly Preventing Mildew 5" Headband Can Be Used with standard Mop Handle