McKesson 24 Hour Urine Specimen Collection Container, 1 Case of 40 Air Fresheners and Deodorizers Patented Duplex aircell system to Commode Shower Chair Accessori Patented Duplex aircell system to enhance circulation and reduce swelling * Universal semi rigid shells prevent further injury while allowing normal ambulation * Pre Inflated aircell and adjustable heel pad for easy fit * Indications: Ankle sprain & chronic ankle instability * Great comfort with exceptional breathability through quick drying perforated performance material Lid is white and screws on in order to be leak resistant 3000 mL capacity should be more than enough for a 24 hour urine sample