42" H AV Cart - Three Shelves - Black Legs. Made from recycled molded plastic, this durable AV cart will not scratch, dent, rust or stain. Each of the three 1.5"-thick flat shelves has a .25" retaining lip and a textured surface to keep contents from sliding during use or transport. Square legs provide sturdy support and four 4" ball bearing casters (with two locking brake), coupled with a push handle molded into the top shelf, allow easy transport.