This is a set of 4 "Kenken" mugs from Wacky Races, the Warner Bros. animation classic, "Chiki Chiki Machine Race." They were Mobil novelty items from 1996. The back features "Milk-chan." [Product Specifications] Diameter: Approximately 8cm Height: Approximately 9.5cm Material: Ceramic *Please forgive any slight discrepancies due to amateur measurements. [High-Quality Material] Made of ceramic, it is durable and suitable for everyday use. It is also easy to clean and long-lasting. [Set Sale] Sold as a set of 4, perfect for tea time with family and friends. - Brand: Wacky Races - Quantity: Set of 4 - Material: Ceramic - Color: White Thank you for viewing.