Premier dust mop refill designed for 24" frames, sold in a convenient 2-count package. Features infinity twist yarn construction that won't fray or unravel during use, ensuring long-lasting performance for normal industrial applications. Each refill comes pre-laundered and ready to use right out of the package. The strong synthetic backing is engineered to last through the entire mop life, providing durability and reliability. Blue color makes it ideal for color-coded cleaning systems in commercial settings, perfect for rental uniform companies, professional cleaning services, and facility maintenance operations.