Materials and Specifications:16+3cm, sliding design, easy to adjust, you can easily adjust without any help. Made of 925 sterling silver and bling zircons, stamped S925. Nickel free, no allergic material, Naturally aseptic to protect sensitive skin.Exquisite Design: The Tree of Life Bracelet symbolizes warm family, peace, health and energy, splendid and eternal life, It is a beautiful good luck charm. It grows and flourishes with the stages of life symbolized by the branches of the tree.Care For Silver JewelryCare should be taken to avoid exposing your silver to household chemicals when cleaning with bleach or ammonia, or when bathing in water chlorinated, as these chemicals can damage silver.Best Gift: The Tree of Life Bracelets are packed in a beautiful bag in an exquisite black gift box. It will be a very surprised jewelry gift for mother, wife, girlfriend on Valentine's Day, Mother's Day, Thanksgiving Day, Christmas Day and all other festivities.