Glass Square Tower Display And Black MDF Base, With Locking Hinged Door And Hidden Wheels Frameless tempered glass construction allows for unobstructed views of the items inside. Sliding door features a plunger-style lock for additional security. 5 Glass shelves gives this showcase versatility in displaying a variety of merchandise in many sizes and shapes. Medium density fiberboard base has built in, hidden wheels making this cabinet easy to move from one location to another. Displays2go SKU#: IFDC4040BK