Baden Sports Perfection Hammock Volleyball CartHeavy duty nylon fabric with reinforced seams and a tempered aluminum alloy frame add maximum strength and durability. Clipboard and water bottle pockets on side help keep everything you need on the court organized. Rollerblade wheels make it easy to move across the floor during practice. The clear, non marking wheels won't leave marks behind. Easy lever locking system allows you to quickly setup the cart. Gusseted sides keep balls from bouncing out.