Containers are fiber molded, meaning they are made of recycled material, biodegradable, and usually decompose in about a year's time. 21 in. OD: 22-1/8 x 8 in. Interior: 20.75in.(52.7cm) Top Diam, 14.375in.(36.5cm) Bottom Diam, 7.625in.(19.3cm) H, 7.21 gal capacity (27.3L)