Introducing the Square Heating Coaster Cup Warmer. This efficient coaster ensures even heating and rapid warmth retention, featuring an energy-saving design with a digital display. It allows for timed shut-off, making it safe and convenient for use with ceramic mugs, glass cups, milk cartons, and more. Available in multiple colors, this versatile coaster is perfect for keeping your beverages at the ideal temperature. Customize it with your logo for a unique touch, ideal for gifts or promotional events! Made from abs material, measuring 5.12*5.12 inches, this custom square heating coaster cup warmer. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.