What do You get? 6 massage stones - Width x Height: 3.15"*2.36", every piece of the massage stone has the same size and a large velvet pouch for better storage. Natural Lava Basalt Stones: Natural lava basalt stone surface will keep more heat energy, the smooth surface makes the stone joint to your skin closely, avoid the heat waste, suitable for shoulders, back, waist, arms, legs, and other whole-body parts. The best choice for professional massage therapists and families. Classic massage No Side Effect: 5 minutes massage stone is equivalent to half an hour of deep massage. Stone massage helps improve blood circulation and relieve joint and muscle discomfort. Say goodbye to inflammation, arthritis, fibromyalgia, neck and shoulder tension, stress, and reduce inflammation and fibromyalgia-related symptoms. Maintenance and Use: Heat stones with hot water in the pot for 20-30 minutes (no more than 130 F ) and take stones out of the bank. Would you mind waiting until the temperature is acceptable before you use them to avoid burns? Can use it together with essential oil. Put some massage oil on stones after finished. Storage in a dry container. Easy to Carry and Use: The massage stone is small. No matter whether you are traveling or at home, you can take it with you, and you can enjoy physical care anytime and anywhere. Note: As these are natural lava rocks, slight variations in size, color, and texture are inevitable.