About 20cm in diameter and 2cm in height Suitable for microwave ovens/ovens/dishwasher/refrigerators, etc., made of ceramic material. The ceramic production process is relatively complicated. The production process goes through a series of manual processing (such as painting, decals, etc.). During the firing process, there may occasionally be some protrusions, black spots, pinholes, uneven coloring and other problems.This phenomenon is also allowed in the national qualification standards for daily ceramic products. The actual photo is taken. There may be some color differences between different mobile phones and computers. The actual product shall prevail. All ceramics are not glazed and non-slip, and some grouting holes at the bottom of the device are required for processing, which is not a quality problem. Please be careful when shooting.