Highlights- 120 Gallon Capacity - Turn kitchen and garden waste into fertile budget-saving soil with a compost bin in your backyard. Our compost machine has an extra-large 120-gallon capacity, letting you unload it less often..- Great Circulation System - Produce nutrient-rich compost quickly. Our outdoor composting bin has 80 air vents in total, allowing air to circulate and compost to absorb oxygen, creating highly efficient fermentation..- 4-12 Week Processing Time - Fill it with garden waste