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. Heavy-duty vinyl mesh headband. Standard heads use clamp style mop handles; saddleback heads use clamp or gripper style handles; lieflat heads use lieflat screw-in handles (all sold separately). High-quality fiber. 1-1/4" headband. 12 mop heads per case.