Made of Glossy Ceramics. 2.85 inch diameter and 0.14 inch thick.Same design on both sides.WEEKINO focuses on the design and production of travel souvenirs, aiming to become the most professional souvenir company in the world, We have more than 100,000 city souvenirs from 20,000 cities in our store.Please search or click on the brand "Weekino" to view more;