The Rubbermaid Anti-Microbial Sponge Mop Refill Pad is designed to fit G001, G003, and G005 mop models. The refill pad is made of a sponge material that is treated with an anti-microbial agent to prevent the growth of bacteria and odors. The Rubbermaid brand ensures quality and durability, making this mop refill pad a reliable choice for household cleaning.