Feature: 1. Fast Heating: Use high temperature resistant thermal fuse of silicon carbon, very safe. It heats up very fast and can be kept at a constant temperature for 24 hours. 2. Soreness Relief: Hot stone can relieve soreness from sprains and strains, improve stress and relieve muscle tension, soreness and stiffness (This product does not contain hot stones). 3. Large Capacity: Can heat multiple massage stones of different sizes at the same time, bring you convenience. Suitable for athletes, office workers, housewives, etc. 4. Multiple Applicable Place: Fine workmanship, high work efficiency, easy to carry, suitable for spa center, sauna center, beauty salon, foot massage center, etc. 5. Pine Material: Massage stone warmer adopts pine material, safe and eco friendly, firm and sturdy, stable and no deformation, durable for use. Specification: Item Type: Hot Stone Heating Box Material: Pine, Silicon Carbon Adapt to the crowd: 1. People who face computers, TVs, and often play mahjong and drive for a long time 2. People who are prone to shoulder and neck, low back sorenss, mental tension, and high pressure 3. People with long-term insomnia, neurasthenia, headache, dizziness, alopecia and memory loss 4. People with insufficient blood supply to the brain, hypoxia, shoulder and neck strain and hyperplasia 5. People with long-term constipation, diarrhea and gastrointestinal discomfort 6. People with irregular qi and blood, irregular menstruation, dysmenorrhea, etc.. Package List: 1 x Hot Stone Heating Box1 x Manual1 x Power Cord