Square Shape Set of 4 Bowls & Tray 38x9cm/15x3.5'' (Pack 6) Microwave Safe. Dishwasher Safe. Chip Resistant.Porcelite Square Shape Set of 4 Bowls & Tray 38x9cm x 6. 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.