Feature:1. Pain Relief: Hot stone can be used for spa and massage treatment, helps relax muscles, warm the body and promote blood circulation, relieve stress and pain.2. Multiple Applicable Parts: Suitable for massaging feet, face, back, neck, arms, legs and many other parts. Smooth and mellow surface, will not hurt your delicate skin.3. Good Heat Retention: Use an electric cooker, water heater, rice cooker, towel warmer, or a pot of hot water to heat the stone, has excellent heat retention properties.4. Ergonomic Design: Unique mushroom shaped stone, ergonomic design, easy to hold, comfortable to use. Suitable for people who use computers and mobile phones frequently.5. Bian Stone Material: No wax, no dyes, no chemicals, no radiation, safe and reliable. Made of high quality Bian stone, stable and wear resistant, durable for use.Specification:Item Type: Mushroom Shaped Hot StoneMaterial: Bian StoneSize: Approx. 4.5 x 4.5 x 4.5cm / 1.8 x 1.8 x 1.8in.Package List:1 x Mushroom Shaped Hot StoneNote:Please allow slight error due to manual measurement. Thanks for your understanding.