Looped-end design lints less, reduces fraying and unraveling. Durable double-sewn tailband prevents tangles and provides more floor coverage with each stroke. Four-ply premium yarn. Standard head uses clamp style mop handles (sold separately). High-quality fiber. 1-1/4" polyester headband. 12 mop heads per case. Cotton Fiber For general cleaning. #24 Mop Size