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 safe Coffee Cup & Saucer Set, 3 oz. (90 ml), with square saucer, microwave/dishwasher safe, ovenproof (up to 572°F/300°C), fully vitrified, fine porcelain, white.