MICOO Charms are made of 925 sterling silver and 5A zircon stones. The hole size is about 4.6mm~5mm,Compatible with most American and European charm bracelets such as Pandora Bracelets. High-quality packaging: 1 MICOO charms, 1 silver polishing cloth and 1 MICOO special gift bag. We offer a 30-day money back guarantee , so please contact us if you have any questions. Great Gift:On Christmas, Birthday, Valentine's day, Anniversary, Thanksgiving and other days, A good gift for your girlfriend, family or best friends. Legend has it that charms bring good luck. Welcome to MICOO Jewelry Store! Each product of MICOO has been completed through a rigorous process, carefully crafted, this series of links include: research jewelry theme, choose the best materials, designers hand-drawn sketches, to determine the design program, shipping goods testing, finished product packaging, etc., the birth of each product has its own meaning of life. We hope MICOO jewelry can bring you a wonderful experience, and we have been making surprises and romances, our original intention is: to be unique ourselves, we can, beautiful and fashionable! MICOO adopts a direct-to-consumer model, which allows MICOO to create the most beautiful charms, beads, bracelets, and other accessories. Our jewelry can be the best gift : ♥ For your loved one or someone who loves you, such as mom, lover, daughter, friend, etc. Birthday gift, wedding anniversary gift, Christmas gift, Mother's Day gift, Valentine's Day gift, etc. Jewelry Care 1, If you do not wear it for a long time, please keep it sealed 2, Put it in a soft cloth pocket or cloth strip, avoid rubbing with other jewelry to avoid scratching the surface 3，Please take it off when swimming, showering or other wading action, avoid contact with acidic, alkaline and corrosive substances. 4，Please scrub with a soft cloth or soft brush.