This food warmer has two shelves that are adjustable and can be placed straight or at a slant. This allows for all kinds of packaged sandwiches or snacks to be displayed where customers can easily view them for purchase. Additionally. the food warmer is constructed of stainless steel and acrylic that is easy to clean when cooled down. Thermostatically-controlled heating element uses circulating hot air to keep foods from 80 - above 150°F.