North America's best selling backyard composter by ORBIS. With ease of use and dependability in mind, ORBIS has designed a durable backyard compost bin to keep moisture in and unwanterd critters out. The Earth Machine's atttractive conical design crates optimal composting conditions, with no corners for material to dry out and allow easy lifting for access to the entire pile. Doing the right thing could not be easier. The Earth Machine&153# produces an all natural soil conditioner, which provides gardens with much needed nutrients, while helping to retain moisture in the soil. The result is significantly higher yields with a substantial reduction in soil erosion.The Earth Machine &153# has a large 80 gallon capacity, is made from recycled plastic and is simple to install.