The tumbling design makes mixing easy and efficient. Just close the door and turn it 5-6 times every 2-3 days. In hot sunny conditions and with a proper balance of ingredients the compost can finish in as little as 2 weeks. Total capacity 37 gallons / 5 cu ft. The rolling design allows you to easily move the compost to where it’s needed instead of moving it with buckets or a wheel. Great for beginners. The large opening and removable door make it easy to add scraps/clippings and remove finished compost. Deep fins on the body provide great ergonomic handholds. Features aeration holes as well as deep fins to clumps inside the chamber and mix lots of oxygen into the compost.