16oz rayon wet mop. Professional grade 8- ply rayon yarn. General-purpose mopping tool offering greater strength and durability than 4-ply version. No natural oils to impede initial absorbency. Resists mildew and souring. For institutional use. Head Material: 8-Ply Rayon Yarn, Weight: 16 oz, Color: White No. 97924: Head Material: 8-Ply Rayon Yarn, Weight: 24 oz, Color: White