This Mug/Cup Warmer is the perfect solution for keeping your beverage warm. Enjoy a hot cup of coffee, tea, or any kind of beverage at any time, whether its at home or work with this cup warmer. Its extremely easy to use, just plug it in and turn it on. Comes with an on/off switch indicator light as well. This single-cup coffee warmer makes a great gift for any coffee/tea lover. It can also be used to heat soup or cocoa as well. This electric warmer has a smooth shiny silver finish and is made out of durable plastic on the outside ring and has non-skid feet at the bottom to help support your mug and prevent spills. Measures approximately 5" in diameter by 1.4" in height. Plug-in cord measures approximately 57" in length. Product will fit mugs/cups with a base diameter of 3 1/2" and under. Power: AC: 110V-120V / 60Hz / 16W. Comes in your choice of 1 or 6 mug warmers. Comes with your choice of 1 or 6 mug warmers. Recommended for use with ceramic or glass mugs only. Do not use with mugs with plastic bottoms. Designed to heat everything from coffee to candles.