Sort and organize desk items, center materials, art supplies and more. Oversized, nesting tray includes moveable dividers. One divider divides the 18¾" wide tray in half to create two 3½" high x 13" deep compartments. Three additional dividers give you the option to create up to four more compartments on one side to hold pens, index cards, scissors and other smaller items. Heavy-duty plastic tray measures 3½" high x 14¼" deep x 20½" wide outside.