Exchange information with students and keep their work sorted with this mailbox system. The 15 individual slots let you assign a compartment to each child. Space for labeling makes it easy for kids to identify their own mail. This system can be stacked with additional units to accommodate your class size. With a fun color and durable construction, this mailbox is perfect for use in elementary schools and daycare facilities. Material(s): Corrugated; Depth: 12.88"; Height: 16.38"; Width: 31.5".