SHIPS TWO FLOW BOOKBOXES PER CARTON Alumni book box for Alumni FLOW desks is made of one-piece 19-gauge formed steel closed on three sides and open in the front (student side). The front edge is safe for easy cleaning and all exposed edges are hemmed to prevent sharp edges. Book box is attached to the top with Robertson pan socket self-tapping tamper-resistant screws spaced no more that 5" on center. Book box is available in powder coating. Finished in Metallic Silver 6"H x 16"W x 15"D