Name:slimming face Skin Care Set Roller Size:145x55mm,120x35mm Material:natural rose quartz,rock quartz,green aventurine,tiger eye Net weight:50-60g Guasha fuction: By stimulating the body's related meridians, acupuncture points, so as to achieve blood circulation, dredge the meridian, qi pain, heat detoxification, build arrogance and stomach, physical fitness purposes. Is a traditional green therapy, can improve the body's blood circulation, promote metabolism, enhance the body's immune function, scraping board is a disease prevention and treatment of non-drug-free natural health therapy. Note: Pls be noted of it,the some material is natural qaurtz,for make it to the shape of roller and stick of the tool,it's easy to have some cracks,also the origin material will have some cracks,so the tool you receive will have some cracks on the roller or stick,but the cracks will not effect the function and will not hurt skin,if you worry about the cracks,pls think again before you make order.APPLICATION: Excellent gift enjoyable for you and your loved one. WHAT YOU GET: 1 Set of Skin care Set (A rollers jade massager, A Ball ,A Stick ,A small luxury velvet packaging bag). EASY TO GRIP: The total jade roller is 5.5 inch long, Big massage roller is 1.9 inch wide and small massage roller is 1 inch wide. SPECIAL DESIGN: Super smooth rollers, very cool feel when touching with your face skin. HIGH QUALITY: Made by Rose Quartz genuine premium healing jade stone,the rollers color are very transparently and nice.