Made out of stainless steel for durability and easy cleaning * Ideal for restaurants, buffets, caterings, parties, or any other event that requires that a large amount of soup be kept warm for hours * Lid is attached with hinges to ensure that service is quick and easy * Technical specifications of the stainless steel soup warmers are 110-120 volts and 600 watts * National Sanitation Foundation (NSF) and Intertek (ETL) listed