The Lightning Sponge Mop Refill is a replacement sponge head for the Lightning Sponge Mop. The highly absorbent sponge effectively cleans and soaks up spills, ensuring efficient floor cleaning. The easy-to-install design allows for quick and hassle-free replacement. With the Lightning Sponge Mop Refill, you can continue to achieve optimal cleaning results without having to replace the entire mop.