Features 1??Reduce Discomfort: Massage hot stone can solve pain from sprains and strains, and relieve muscle tension, soreness and stiffness. 2??Fast Heating: Heated massage stones can be quickly heated in just 10 minutes, bring you convenience, ideal for athletes, home care and spas. 3??Different Shapes: Massage stones with different size and shapes, suitable for massaging neck, back, shoulders, arms, legs and other parts. 4??Keep Warming: Hot stone massage set with high silicon and iron content to keep warm for 25?35 minutes, which is longer than most stones. 5??Safe To Use: Massage stones are made of basalt, with smoothing surfaces, will not scratch skin, which can be used with confidence. Specification Item Type: Hot Stone Material: Basalt, Log Quantity and Size: 4pcs Hot Stones: Approx. 7 x 7cm / 2.8 x 2.8in 6pcs Hot Stones: Approx. 8 x 6cm / 3.15 x 2.36in 8pcs Hot Stones: Approx. 3 x 4cm / 1.18 x 1.57in 2pcs Hot Eye Compress Stones Characteristics: No wax, no oil, original ecology Adapt to the Crowd: 1. People who face computers and TV for a long time, often play mahjong, and often drive 2. People who are prone to shoulder and neck, low back pain, mental tension, and high pressure 3. People with long-term insomnia, neurasthenia, headache, dizziness, hair loss 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 4 x Hot Stones(7 x 7cm) 4 x Hot Stones(8 x 6cm) 8 x Hot Stones(3 x 4cm) 1 x Aluminum Box 2 x Eye Compress Stones