Plastic construction is durable and attractive. 12 unit kits are stackable to fit up to 72 compartments. Removable clear tab covers allow the labelling of each compartment. 12 compartments per unit (9 1/2"W x 12 1/4"D x 2"H). Stacks up to 6 units high. 100% post consumer recycled material. 31 3/8"W x 14 1/8"D x 10 1/2"H. Black.