Hershey's Ceramic Travel Mug with Silicone Band & Lid Hershey's mug set contains a classic repeating design of Hershey bars. Includes silicone grip and lid. Insulating material, porcelain, will keep your hot beverages toasty and the comfortable silicone grip will keep your hands happy, and slip free Porcelain/silicone; not recommended for use in the microwave Includes 5 Hershey's miniatures.