Description: 2 IN 1: The coaster can be heated or cooled, 1 key control, switch between different modes, can be used in all seasons.SPACE SAVING: Small size, does not take up desktop space, very suitable for home, office, daily use.MATERIAL: Warmer is made of aluminum alloy material, which is resistant to high temperature and low temperature, can be refrigerated without adding ice, and is easy to use. Aluminum conduction plate, evenly dissipating heat from the air both sides, efficient cooling/heating.NON SLIP: The Heating and Cooling Beverage Plate has non slip feet on the bottom for stable placement, the curved handle is comfortable to hold, and the dustproof cover keeps dust out.WIDE APPLICABILITY: The Warmer Cooler Cup is suitable for coffee, milk, juice, tea, etc., great gifts for giving to parents/family/friends. Specification: Material: Aluminum Liner Size Chart: 9cm/3.54inchHeight: 16cm/6.30inch Package Includes: 1 Drinks Warmer and Cooler Set(EU Adapter) Note: Please allow slightly errors 1-2cm differences due to manual measurement.