Foam Dispensing Dish Brush, 11.5" / 29cm H, Bonterra™ plant plastic, recycled plastics, bamboo. The first ever dispensing dish brush with foaming technology that uses less soap with a 20/80 ratio of soap and water. See-thru reservoir indicates soap and water measurements making it easy to foam up and clean up. Stand-up design allows it to air dry quickly and thoroughly. Replaceable bristle head is dishwasher safe.