64 pockets keep a large assortment of postcards on display. Universal-size pockets are specially designed to fit almost all postcards. 4.75 in H x 6 in W x 1.25 in D pockets. Four sides of 16 pockets on each side. 360-degree rotating design for easy browsing. 21” base with locking and rolling casters. First set of pockets start 21 in from the floor