48 liter/12-1/2 gallon capacity. Charcoal filtration system to reduce odors. Fingerprint-proof brushed stainless steel. Odorsorb filter uses carbon to eliminate odors naturally and is built directly into the inner lid. Dent-proof polypropylene bucket. Our simplehuman Butterfly Sensor Trash Can upgrades your kitchen with high-tech convenience. Utilizing advanced Multi-sense technology, this touch-free trash bin engages an automatic lid when motion is detected, while also virtually eliminating unwanted openings. After three seconds of continued use, the lid automatically switches to stay-open mode, which lasts for 30 seconds—ideal for longer chores or changing garbage bags. . . . . . Multi-sense technology reacts to your behavior so it won't open unexpectedly or close before you've finished your task. Operates on 6 C batteries for up to a full year (not included) . 5-year warranty.