USB Silicone Coaster

CPN-564298623

This cup mat is made of PVC rubber, soft, safe and durable. It can keep your cup warmer for a long time, just connected USB to a computer, charger or power bank. The size is 3.6" x 3.6". It can widely used for for ceramic, glass and stainless steel cups with flat bottom. Your logos are welcome. Price is including shipping cost door to door.