Twin Glass Washer Brush With 2-7/8" Black Bristle Diameter 7-1/2" x 4 " Base Polyester bristles provide scratchless cleaning of glassware. Available with two or three brushes attached to a suction base. The all-plastic construction prevents glasses from being chipped or broken. Black bristles. An easy, sanitary way to manually clean dishes, pans and drinking glasses. Ideal for Commercial food service use.