White Melamine Shelving. 3/4″ x 23 1/2″ x 7′ long. Pre-Drilled Divider (3 sets of holes). Use Self Supports “SS” to hold Shelf. The most widely used closet materials are particle board shelving and closet pole, however, wire shelving and melamine shelving are gaining popularity. With some ingenuity, you can create the same closets and garages that closet organizing companies design at a fraction of the cost. Create your own space with sectional dividers, shelving creating multiple clothes hanging areas and various storage areas.