A merchandise display device is disclosed which includes a vertically disposed rear wall having opposing side edges that are attached to a pair of opposing, vertically disposed side wall assemblies. Each side wall assembly includes an inner panel facing the display section of the device, an outer panel foldably connected to the inner panel and a spacer panel interposed between substantial portions of the inner and outer panels. The inner panels of the side wall assemblies include vertically spaced, cooperating openings to accommodate shelf support members associated with shelves installed in the device. The shelves are inclined to promote gravity feed of product to the front edges of the shelves. A preferred embodiment allows the degree of shelf inclination to be quickly adjusted. An optional bin insert may be used convert one or more shelves into a bin-like structure for holding individual packages of product. The top edges of the side wall assemblies are designed to support a riser assembly on which promotional material relating to the displayed product may be mounted.