The product is a small and practical cup warmer made of materials. This product has a simple appearance and is the perfect accessory for you to enjoy hot drinks at home and in the office. Heating the coaster keeps your cup warm, can enjoy coffee, tea and hot drinks slowly. Features - Color: Assorted Color, - Material:, - Size: 10. 00x10. 00x 2. 50cm/ 3. 93x 3. 93x0. 98in, - Design: indicator light, -: support computer USB socket and output above 5v1. 0a - Use this coffee cup heater to keep your coffee warm all morning. - The beautiful and compact design can keep the drinks warm. - Smooth surface and good texture. Wipe with a wet towel, bright as new. - The excellent performance of our products will bring you a good experience. - also a thoughtful gift for lovers, family, friends and colleagues. They' ll be happy. - Note: not recommended to use cups with uneven bottom, blow molding bottle and thick bottom, because they will affect the insulationeffect Package list: 2 x Coaster