Also known as "He Tian" Jade in China, Nephrite is valued for its unique healing properties. When used together with well-formulated skincare products, face Gua Sha with your Lanshin Pro your skin health and youth glow will be iconic. Keep scrolling for a step-by-step video demonstrating the use of the Lanshin Pro Gua Sha Tool.  Measurements. L 4” x W 2.17” FREE U.S. SHIPPING Please note: We are unable to accept Lanshin Gua Sha tools for return or exchange. Please carefully consider this prior to purchasing, thank you!