STC Spinning Composter has a patented design that cuts the compost creation time significantly. It turns your yard clippings and garden and kitchen vegetable waste into nutrient-rich soil. Shape and design help eliminate bad odors and controls moisture levels inside the composter. Interior protruding air tubes bring required oxygen to the center of the composting pile. The ball-bearing base makes turning the pile easier, or just roll it where it is needed. Constructed from recycled materials. 71-gallon capacity; 32-inch diameter.