This is a combination kit of (2)MAZE 65 Gallon Composters, (1)MAZE Composting Cart and (1)RSI-Sifter.The MAZE 65 Gallon two stage compost tumbler is designed to generate the most amount of compost over time. Constructed from a zinc coated metal frame to prevent rust and a body constructed from high impact UV protected plastic. The built in ratchet lock along with the geared rotating handle make it much easy to turn and mix the compost material. The large open area underneath the composter allows for easy emptying. The MAZE Composting Cart fits right underneath the composter and makes moving your newly made compost simple, clean, and easy. The RSI-Sifter is ideal for sifting composted materials from your composter or compost heap.