The Urban Compost Tumbler from Urban Composting makes compost in weeks, not months. It works 90% faster while requiring 75% less effort to compost. The key is oxygen. Good aeration is the secret to getting quality compost, fast. With this compost tumbler you don't need special tools to turn your compost weekly or daily. Simply rotate the tumbler on its vertical axis, and all the mixing and aeration is done for you. The Urban Compost Tumbler does not have rollers, cranks, or gears that can become clogged and wear out over time. It is made from 100% recycled plastic that does not rust when left exposed to the elements.