The Libman Mop Refill Kit comes with 3 mop refills, all made from high quality materials in the USA. The mop head is easily changed and has a large mopping surface to help you easily and effectively clean all your floors. The mop head is designed for use with the Libman Scrubster mop only. The high quality sponge is made of a high quality cellulose coated sponge that absorbs a lot of water to absorb any mess. We proudly manufacture this product and the Libman Scrubster Mop in the United States. Our sponges are made from high-quality manufacturing processes that ensure they dont break easily and last through all your toughest cleanings. This refill works with the Libman Scrubster mop. It is a traditional hinge style sponge mop. The mop replacement is a sponge covered with extra absorbent cellulose. Ideal for quick cleans and your weekly deep clean.