Good quality, economical, four-ply blend of cotton and synthetic fibers is an excellent choice for foo dservice areas. Scrubbing/stripping pad provides the highest level of abrasion. Blue yarn keeps mop head looking new. Looped-ends reduce unraveling. Durable double-sewn tailband. Narrow 11/4-in. canvas tape headband works with clamp style mop handles (sold separately). 12 mop heads per case. Large