Designed to attractively display and maintain the serving temperature of your prepared foods without the high heat and energy use of the traditional warmer. The heart of the model 1001 warmer is the self-insulating thermoset well made from polyester and glass fibers. The tough thermoset well cannot rust, pit or crack like stainless or aluminum wells and water deposits easily wipe off the non-metallic surface. The exclusive dome heating element is mounted inside the well where it is most efficient and an direct the energy to heating the water. Stainless exterior. 13.75"W x 21.75"L x 9"H. 120V, 700W. Full Size.