Material: Green Aventurine+Natural rose quartz .Green Aventurine,a symbol of hope and vitality.Jade contains a variety of trace elements that we need.This can enhance our body. Rose Quartz:main developing heart chakra, strengthening the heart and lung function of healthy,relaxation of tension,relieve irritable mood. Relief your daily muscle pains,headaches,and Cervical spondylosis.Benefit for physical and mental health.Improve the body immunity. Ultra smooth touch feeling that never hurt your skin, Simple to use,enjoy SPA at home or traveling,work on face,back,hand,foot,etc. Size:Length:1.56inch;Width:1.56inch(Size may be a little different because it is handmade item) Please Note: Natural stone might vary in color. It is natural that there are floccule in the crystal.So the actual item you get may not match the picture 100%.Hope your understanding.If you have any questions about the items ,pls feel free to contact us.