Keyhole mounting slots for easy removal. Brushed stainless steel. #13-926 - 5-1/4"L x 3-1/4"W x 9-1/4"H, waste bin is 6-3/8"H. #13-929 - 5-1/4"L x 3-1/4"W x 13"H, waste bin is 10"H.