Stainless Steel- The Gua Sha body is suitable for human hands and is easy to hold and use. Can be used to massage neck, chest, legs and other body parts for skin and body care. Multiple Functions- Gua Sha board improves blood circulation, promotes metabolism, and enhances immune function. Excavator meridians, excavators, improve skin permeability and expel toxins. Exquisite Workmanship- The fascia scraper is made of high-quality stainless steel, with smooth edges, no skin damage, stable and durable. Light weight and small size, easy to store and carry. Even in hot weather, stainless steel keeps you cool, feels smooth and comfortable, and is extremely durable. Superior Advantages- Stainless steel cabinet board is harder than stone, jade and buffalo horn massage tools, you don't need to worry about injury and damage. Durable, super easy to clean and static free. The ultra-smooth surface won't hurt your skin and can be placed in different places.