ENHYPEN Coca-Cola Coke ON Collaboration Limited Edition Tumbler Set of 2 [Unused] These tumblers are made of a solid, heavy material. It appears to be aluminum over stainless steel. Height: 12.5cm Diameter: 8.5cm Instant purchase is welcome. Taken out of the box for the photos. Unused. Members: Heeseung, Jay, Jake, Sunghoon, Sunoo, Jungwon, Ni-ki Group Name: ENHYPEN