Spin Bin Composter 60 gal. Large Capacity Black Barrel Style Tumbler Compost Bin Compost tumbler is molded in the USA and includes a dual center axle to improve mixing and aeration. 20 ventilation and drainage slots. More than other compost tumblers, for superior composting effectiveness. Dual lids. Always easy to add materials no matter which side is up. Sturdy steel legs. Recycled plastic. Basic composting instructions embossed in each lid. Holds up to 60-gallons (appx. 8 cubic feet) of composting materials