Libman Nitty Gritty Roller Mop has green cleaning pads to help lift dirt away, while built - in scrub brush breaks down tough dirt, grout, and more. The Libman Nitty Gritty Roller Mop comes with an easy to pull wring handle and a tear resistant sponge to make tough jobs easier. It is great for hardwood floors, laminate, tile, marble, linoleum, stone, and more. Family Made in America. Gender: unisex.