Closed the sliding door and rolling this Outsunny compost bin. Let garden refuse and kitchen scraps fill up with twin-chamber. The manure has produced from one side, you also can add new ingredients to another side. The constant exchange of materials on both sides creates a cycle, and you will get sufficient mixture for your backyard garden. Give your plants the nutrient-dense fertilizer they crave and watch your garden bloom like never before. OUTSUNNY Garden Compost Bin Dual Tumbler Rotating Outdoor Composter with Sliding Doors in Black