This 42 gallon capacity rotating compost bin with twin chambers lets one side "cook" while you add material to the other side for an uninterrupted supply of rich plant food. Double-walled panels retain heat and air vents promote aeration for fast and effective decomposition. Simply add your food waste and rotate the tub 5-6 times every few days for perfect compost in as little as a few weeks. Two separate chambers for batch composting 42 gallon total capacity, 21 gal in each chamber Fast and effective decomposition with no hand-mixing or digging Rotary design with efficient tumbling action All-weather construction for year-round use Secure sliding door panels keep animals out Enclosed design reduces pest-attracting odors Deep fins and internal steel bars break up clumps and mix in oxygen Black double-walled panels absorb and retain heat Multiple air vents for effective aeration Made of corrosion-resistant recycled plastic and 18-gauge powder-coated steel Base Material: 100% Plastic Material: Plastic Country of Origin: Imported