1.All in one purposes: This all in one massaging tool stimulates circulation, facialmuscles and nerves, reduces puffiness, redness and inflammation instantly. It also oxygenates the skin, increases collagen and elastin production by draining the lymphatic system. It helps reducing migraines headaches by massaging around the temples. 2. 360 ° rolling design: the top ball imitates diamond cutting technology, which is comfortable to massage, and embedded with black gallstone to deal with problems around the eyes, it also has cool feeling and energizes the skin. 3. Multi use as a gua sha tool: it can be used at different body parts, including eyes, face, neck, arms, legs, shoulder and back. It enables muscle tension and pain relief and provide you an experience of spa treatment at home. 4. Premium quality: It is made of excellent zinc alloy material, which is durable and not easy to deform. With craftsmanship quality and careful production, this product has polished edges and corners, smooth and burr-free, metal texture. 5. Lifetime quality insurance. Comes with luxurious packaging box, which is perfect for gifts.