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)