This Worx all-purpose wheelbarrow /dolly is the 8 in 1 model. This yard cart instantly converts between 8 different uses, including: a lightweight wheelbarrow, yard cart, bag holder, dolly, extended dolly, cylinder carrier, rock/plant mover & trailer tote. The best, patented two-wheel wheelbarrow design adjusts center of gravity for a balanced and easy-to-manage load. It also features durable, flat-free tires never need inflating and ensure the yard cart produces a smooth ride no matter your load. This handy tool also includes a water bag that hold 21 gallons and it measures 14.5 by 18.1 by 11.4 inches.