Excellent Capacity: 4oz serves most espressos. A set of 6 tablets, meet the family use, more can share with your friendsNatural Marble Design: This Yundu ceramic coffee cups with sacures is made by calcining pure natural marble soil, which is of first-class quality and add color to your lifeElegant Shapes and Natural Stone Patterns: These Yundu coffee cups and saucers are elegant in appearance, perfectly matched with natural marble patterns, so that you can enjoy every moment of coffee drinking.For Microwave and Oven Use: These Yundu ceramic coffee cups with sacures are made from durable marbling soil calcined at high temperatures, a high quality lead-free, non-toxic ceramic, crack resistant, suitable for high temperatures and safe for microwave and oven use.30-Day No Reason Warranty - Your purchase includes our 30-day no reason return or replacement warranty – Yundu will provide a free replacement or refund if there is any problem with the product. That's zero risk!