12-Liter Capacity: Comfortably store enough dog waste until trash day. 5-Liter waste bins are too small and must be dumped frequently. Our recommended trash bag size is 4-gallons. Odor Control: Steel locks in odor while the filter ensures no smell escapes around the lid. Ships with 6-month (3 filters) supply. Hands Free: The Nevink outdoor waste bin uses a strong and durable foot pedal design. Outdoor Ready: Weather resistant, rust resistant, and no color fading. A protective UV-Resistant paint coating was used. No Special Bags: Conveniently use any standard trash bag with this poop bucket. Our recommended trash bag size is 4-gallons.