The But First Coffee Milk Mug Set is from Our Name Is Mud. This set is designed to allow for mom or dad to enjoy a cup of coffee while sharing a smaller mug of milk with a child. The mug features a coffee cup design on the larger version and a milk carton on the smaller cup. They hold 12 and 8 ounces respectively. The mugs are designed using high quality stoneware. They are microwave and dishwasher safe.