The bin liner retainer ring keeps liner in place and out of view.
HLS Commercial 13 Gallon Space-Saving Semi-Round Sensor Trash Can is touch-free with sensor-operated lid. Includes a replaceable activated carbon odor filter to absorb odors.The wide opening accommodates large and bulky items. Powered By 4 C size batteries (not included) or official HLS Commercial AC Adapter (sold separately).