Introducing the Round Heating Coaster Cup Warmer. This energy-efficient coaster features three adjustable temperature settings at 55, 65, and 75 degrees for quick heating, ensuring even warmth for your ceramic cups, glass mugs, milk cartons, and more. With a digital display, automatic shut-off after four hours, and a convenient timer function, it’s designed for safety and convenience. Available in multiple colors, this stylish coaster can be customized with your logo, making it an ideal gift or promotional item. Made from abs material, measuring 4.72*5.12 inches, this custom round 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.