1Made of natural jade material, it is eco-friendly and non-toxic, safe to skin. 2Use the principle of rolling massage to promote skin blood circulation and metabolism. 3Ergonomic handle in moderate length for easier and comfortable control. 4For a long-term use, it can eliminate wrinkles, spot, slow aging and keep your skin young. 5Increased circulation to the face and reduced puffiness, wrinkles, and black circles around the eyes.