Saucer 17cm/6.75'' (Pack6) Standard Vitrified Porcelain hotelware is a high-quality range of whiteware and restaurant crockery designed for heavy duty use in the catering and restaurant trade. It is backed up by a commercial use warranty and is an assured product of quality. All items in the standard Pporcelite hotelware range are: Microwave Safe. Dishwasher Safe. Freezer Safe. Oven Proof. Craze Proof. Chip Resistant. Glaze Durable. Covered By A 5 Year Edge Chip Warranty ( On Selected Items Where Shown).