Feature 1Reduce Discomfort: Massage hot stone can solve pain from sprains and strains, and relieve muscle tension, soreness and stiffness. 2Fast Heating: Heated massage stones can be quickly heated in just 10 minutes, bring you convenience, ideal for athletes, home care and spas. 3Different Shapes: Massage stones with different size and shapes, suitable for massaging neck, back, shoulders, arms, legs and other parts. 4Keep Warming: Hot stone massage set with high silicon and iron content to keep warm for 2535 minutes, which is longer than most stones. 5Safe To Use: Massage stones are made of basalt, with smoothing surfaces, will not scratch skin, which can be used with confidence.Item Type: Hot StoneMaterial: Basalt, LogQuantity and Size: 4pcs Hot Stones: Approx. 7 x 7cm / 2.8 x 2.8in6pcs Hot Stones: Approx. 8 x 6cm / 3.15 x 2.36in 8pcs Hot Stones: Approx. 3 x 4cm / 1.18 x 1.57in2pcs Hot Eye Compress Stones Characteristics: No wax, no oil, original ecologyAdapt to the Crowd:1. People who face computers and TV for a long time, often play mahjong, and often drive2. People who are prone to shoulder and neck, low back pain, mental tension, and high pressure3. People with long-term insomnia, neurasthenia, headache, dizziness, hair loss and memory loss4. People with insufficient blood supply to the brain, hypoxia, shoulder and neck strain, and hyperplasia5. People with long term constipation, diarrhea and gastrointestinal discomfort6. People with irregular qi and blood, irregular menstruation, dysmenorrhea, etc. .Package List4 x Hot Stones(7 x 7cm)4 x Hot Stones(8 x 6cm)8 x Hot Stones(3 x 4cm)1 x Aluminum Box2 x Eye Compress Stones