Frame Riser, set of 3, open frame, can be used vertically or horizontally, bamboo, includes each the following: 7-1/2"L x 4-1/4"W x 4-3/4"H, 9-1/4"L x 6-1/4"W x 6"H, and 11-1/4"L x 7-1/2"W x 7-7/8"H (hand wash only)