Melamine shelves come in a variety of lengths are suitable for most retail stores in need of shelfs on their wall. Our Melamine shelves are made of MDF which are denser than plywood and particle board. These boards come in 2 widths, 11.75 or 14 inches, and 2 lengths, 23.75 or 48 inches. All shelves are 3/4" Thick. We have three choices of color in either white, black or maple. Our maple has a nice wood design whereas white and black are both solid colors. All of our shelves are in stock and ready to ship, call if you have any questions 1-800-426-5708.