GUASHA-JADV-01 Origin: China Grade: A Dimensions: 80mm X 50mm Weight: Approximately 30g Origin: Brazil Grade: A = good Heart-shaped jade Gua Sha from China, 80mm Patterns and colors may vary from one stone to another Gua Sha stones are used as massage tools primarily for the face. In Chinese, Gua Sha means "scrape" (gua) the "fever" – or the "illness" – (sha). The treatment involves gently stimulating points along the meridians to optimize blood and energy circulation through a technique of rubbing the skin with a flat stone. Gua Sha has been practiced in traditional Chinese medicine for thousands of years. Perfected over the centuries, this treatment has a beautifying and firming effect on the skin.