Textured steel, 30% post-consumer recycled. Wall mountable (hardware not included). Each pocket 12-3/4w x 1/2d x 6-1/4h. Can be divided into 34 pockets, each 6-1/4" wide, or 51 pockets (as shown), each 4-1/8" wide by using removable pocket dividers. Overall 13-1/2w x 2d x 30h. Made in U.S.A.