This shelf display is constructed with shelf clips for assembly and features extra wide and deep shelves for larger items. Shelves are made of 1/4″ thick acrylic and measure 18″ wide. Height is 16″ in back and the front has a 2 1/2″ lip to retain contents. Sits on a 6 1/2″ high base made of gray, lightweight, rigid PVC. Shipped assembled.