130L Garden Compost Tumbler with Sliding Doors 28017194Dual Chamber Design: The compost bin is designed with 2 separate chambers that allow one side is composting while the other side is available to add fresh waste. And there exist sliding doors, thus it is easy to load up huge portions of waste at once ( 2 chambers can load up to 34. 5 gallons of waste). 360 Rotatable Design: 2 chambers can be separately rotated 360, which can speed up the composting process and there is no need to dig or mix the pile