Carlisle Coldmaster Black 2 Qt. ColdcrockThe Coldmaster system eliminates the need for ice to keep foods cold. The non-toxic gel refrigerant helps keep foods cold for up to 8 hours.Capacity: 2 qt Color: Black Material: Polypropylene Non-toxic Refrigerant Gel Dishwasher safe Maintains 40°F or Lower for 8 Hrs Inside Diameter: 5-1/4" Outside Diameter: 7-3/8" Inside Height: 6-3/8" Outside Height: 7-1/8" BPA Free NSF Listed 215535