100% SATISFACTION GUARANTEE—To make sure you’re happy with your purchase, we offer a 30 Day Customer Satisfaction Warranty so that you can order without worry. EASY TO KEEP AND CARRY: Scraping massage tools with high-quality packaging, which can collect your tools well. The stainless steel gua sha tool is small and light, for you to carry it easily. It’s also a favorite gift for the painful people and those who want to detoxify their whole body. MEDICAL QUALITY: Our scar tissue tool’s size is 7 x 1.5 inches, made of high quality medical grade stainless steel, polished to a mirror- like surface, durable. It's also easy to clean, just by using a cloth. REASONABLE DESIGN: This guasha tool is suitable for human palm curve, easy to hold and use with a super smooth edges, will not hurt your skin. It is designed for use on whole body muscles, like forearms, knees, foot, ankle. It has different functions when used in a different parts. PHYSICAL THERAPY TOOLS: This mobilization tool use the double-beveled edges to reduce head, foot, shoulder, neck and muscle pain, help to treat surgical injuries caused by adhesions and scars and overuse of muscles.