This Royal Genware Italian coffee cup conforms To BS4034 For Vitrified Hotelware Quality Standard for durability in use. It's made from specially selected clays for a brighter white to give a great presentation. It's a practical option compared to other porcelain alternatives. The durable glaze prolongs the lifespan of the product and helps improve the stain resistance.The rolled edge ensures durability and gives added chip resistance making it ideal for use in hotels, restaurants and bars. Dishwasher, oven and freezer safe.