Name: Coffee Mug Warmer Material: ABS Packaging: carton box Size: 13*10*2cm Color: green blue pink Applicable: Indoor study, bookcase, etc. Function: constant temperature Warmers can slow down the cooling of hot drinks. The thermostatic coaster has a large heating area, and there is no groove to limit the size of the cup. The Coffee Mug Warmer keeps the temperature constant throughout the day so you can enjoy perfect flavor every time. Enjoy hot coffee, tea, beverages, and more anytime. Compatible with most tumblers, metal, enamel, ceramic, glass, milk cartons, heat resistant cups and more The warming plate keeps your drinks warm all day long, safe and energy-saving, lightweight and portable, easy to carry without taking up much space. Thermostatic coasters keep drinks warm at all times. This is the best gift choice for Valentine's Day, Mother's Day, Father's Day, Thanksgiving Day, Christmas New Years or other special occasions.