9" Plate - Wide Rim Rolled Edge - American Ivory (a dark off-white color) / Bone China Plates. These American Ivory 9" plates are the standard for informal diners, bistros, and restaurants. The 9" plate is smaller than the standard dinner plate (10.25") and is typically used for a lunch plate or buffet plate. Microwave safe, oven safe, and dishwasher safe. These plates have a beautiful sheen and look great on the table.