Facial Facial Stones Natural stone Gua Sha (multiple types available), hot stones, acupressure Gua Sha, mushroom-shaped, rose quartz, aventurine, power stones, Gua Sha boards, Gua Sha massage tools. Since the material is natural stone, the color and luster of each piece will vary slightly. The images are for reference only, please understand beforehand. Gua Sha is a massage method from China that uses a palm-sized jade plate called a "gyoku" to scrape the skin after applying oil. Effects: Unclogs meridians and promotes blood circulation. Size: Approximately 4.0-4.5cm in length, approximately 3.5-4.0cm in width. As these are natural stones, please understand that there may be scratches and mineral inclusions before purchasing. Price for two.