The quality four-ply cotton/synthetic blend yarn of our MaxiClean Loop-End Mops combines high on-floor performance with long product life. Cotton fibers provide high water absorption and retention for effective floor drying. Synthetic fibers such as rayon afford maximum water pickup and require no "break-in." Other synthetic fibers such as polyester give increased strength and long product life. Mop Head Type: Wet Mop; Application: Floor Maintenance; Mop Head Style: Looped-End; Mop Head Size: 24 oz.