This is a black mirror made of obsidian. It is 12cm in diameter and about 12.5mm thick. The stand in the photo is also included. If you want to practice clairvoyance, I think it's good to use a scrying mirror. 12cm is an easy-to-use size, so if you continue practicing before going to bed, you will eventually be able to see images. I will deliver a new product, but there may be small scratches etc. that occurred during the manufacturing process, so please refrain from purchasing if you are concerned about minor details.