Wilmax porcelain cups have industry-favorite traditional contours, ideal for various dining environments, from casual to the white tablecloth. The sleek cups are sure to create a dining experience your guests won't soon forget.reat for professional events , everyday use. - Microwave , dishwasher safeCoffee Cup , Saucer Set, 4 oz. (110 ml), with round saucer, microwave/dishwasher safe, ovenproof (up to 572degreeF/300degreeC), fully vitrified, fine porcelain, white.