Perfect for coffee, tea, hot cocoa & any other beverage.
Ideal for office use
Measures 9.5 x 9.5 x 0.5 cms
Made of Rubber Silicone Carbon Fiber.
Comes in assorted cartoon
Cups not included
Package Contents: 1 x Cup Warmer
Connect the USB cable to the computer or 5V charger switch interface, coasters begin to generate heat. It is only used to keep your tea or coffee warm,but not for heating. Please Unplug the USB cable when don't use. Do not wash the product in water. It can keep your hot drink warm (about 40 degree centigrade), but can not heat your cold drink. Do not touch the electric mat when the USB warmer works.