Durable combo of monofilament microfiber and Maximizer blend makes for a strong mop head. Highest level of absorbency delivers optimal floor cleaning. Developed to withstand up to 100 commercial launderings. Medium Microfiber Mop Head—Length: 19 1/2"; Diameter: 61 3/10". Mop Head Type: Microfiber; Application: Floor Maintenance; Mop Head Size: Medium; Mop Head Color: Green.