- The "Satto" cleaning series allows you to replace the head; The long blade fits perfectly on curved surfaces. Draines cleanly and prevents mold; In addition to bathroom walls and mirrors as well as cleaning windows; Specifications: Dimensions: Width 9.8 inches (250 mm) x Length 9.1 inches (230 mm); Weight: 2.5 oz (70 g); Material: Handle/instep: Polypropylene; Blade: Elastomer resin.