NATURAL MATERIAL: Our bracelets are made of real Natural jade. Each of them was selected carefully to make this truly one of a kind unique bracelet.Size: About 7 inches long. Bead Dia: 8MM. Suitable for most people wearing wrists.Efficacy: Zilongjing can adjust human blood pressure, relieve cramps and pain, improve human physique, and is good for damaged liver function, eyes, spleen and pancreasUnisex.Good Matching for Men and Women. A great gift for your families and friends in christmas, birthday, thanksgiving.ectGF: All products are shipped from the US and will arrive quickly. 100% Satisfaction Guaranteed.