Proudly display school merchandise, fundraiser displays, or any bulky items within these 4" deep units. These lockable enclosed boards have a corkboard surface inside that allows anything to be tacked up for display. Featuring school friendly radius aluminum edges and a shatter-proof acrylic window, these wonderful display boards give you double the interior capacity over the standard 2" deep boards. Choose header units to signify school name or recognize clubs, departments, or athletic teams.