The product is a microwave glass plate with a ring roller design to prevent scratches. It has a diameter of 16 1/4 inches (16.25 inches), suitable for use in microwaves. The turntable plate is designed to be used with electric microwave ovens, making it an essential part for cooking and reheating food items. Perfect for those looking to replace or upgrade their current microwave plate, this product offers a convenient and reliable option for kitchen use.