Excellant&eacute; Mica Black Collection 4-3/4 by 3.625-Inch Soup Mug, Two-Toned Two-toned black 4-3/4 by 3.625-Inch Soup Mug Made out of 100-Percent non-toxic melamine material Glossy, opaque design will show elegance and class in any room It is dishwasher safe and National Sanitation Foundation (NSF) approved Not recommend for microwave or oven use, but able to withstand up to 212 degrees fahrenheit