Four-ply, cut-end yarn. Absorbent natural cotton fiber for general mopping. Rayon has immediate absorbency and wet release properties ideal for finishing. Cotton/synthetic blend absorbs 5.5 times its weight in water. 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). 12 mop heads per case.Colored yarn is longer lasting than white mops. 11/4-in. polyester headband. Great for foodservice and industrial use. Cotton/Synthetic 20-oz.