DESIGN : Star of David is origin from an ancient fairy tale of Greece. It’s a symbol of mystery, energy, light, birth, mixture, and luck. The word Chai is the Hebrew word for "life" or "living", Abalone Shell make it looks more mystery.(Abalone shells are just a material that is artificial and there is no real abalone. )Perfect Gift for friend birthday gift, Graduation, Bachelor Party, Anniversary. Pendant Size:20*20mm,chain length:18'' MATERIAL: Made of solid 925 sterling silver. Warning，this product can be only sold to US age 13+ Our products are not suitable for childrenaged 12 and below.It will be wrapped in a beautiful square jewelry box. Jewelry is a company specializing in jewelry with a professional and inspirational design team.