These are ceramic cups set of 6 pc. Each cup can store up to 200 ml, these cups are microwave safe and is tested food grade material. These cups are also known as sweater cup because of its design. The Jumbo Sweater Pattern 6 piece cup Set is perfect for enjoying your favorite drink from coffee to tea . Beautifully designed with 6 sophisticated colors and a detailed sweater knit pattern, these cups complement any kitchen or home.