The Back Porch ComposTumbler is lightweight portable composter for people who do not have a lot of room. There are two 6 inch wheels attached to the composter’s frame allowing the composter to be easily transported to your garden areas or flower beds. The Back Porch ComposTumbler measures: 37 inches high x 31 inches wide x 26 inches deep, drum is constructed of heavy-duty sage green polyethelene. The Back Porch ComposTumbler can hold 37 gallons of compost material. There are 4 mixing fins inside the composter used to mix and break-up large pieces of compost. The combination of an aerator/drainage unit on the bottom of the composter and screened side vents ensure your compost gets the proper amount of oxygen while preventing animals from getting in. Your ComposTumbler is guaranteed against any defects in the materials or workmanship for 5 years from the date of delivery. We will repair or replace any defective part (or the entire unit if necessary) at our expense. No IFs, ANDs or BUTs. This warranty is given to the original purchaser and is not transferable,nor does it apply to any damage caused by misuse or acts of nature. This warranty gives you specific legal rights, and you may also have other rights, which may vary from state to state.