Made of high-quality Bianstone meticulously polished, thick and full, smooth and round, moderately soft and hard, and comfortable to hold. Warm moxibustion and massage, hot compress, dredge the collaterals, Guasha, family physiotherapy. 5 gears to adjust the temperature, color temperature control: red 100 degrees, green 80 degrees, blue 60 degrees, purple 40 degrees, yellow 20 degrees. Suitable for the whole body, such as face, eyes, neck,abdomen, back, legs, waist, hands, etc. The bottom of the Bianstone is made of natural Bianstone. The Bianstone has natural chromatic aberration, grouper, stone tendons, etc. It is generally linear, circle-shaped, and point-shaped. It is normal that there are micro-cracks on the surface and will not affect the use. Specification: Product category: Moxibustion Device Material: Bianstone Number of holes: single hole Size Chart: 12.5cm/4.92inch Package Includes: 1 piece Bianstone Massager Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!