Size: Diameter: 66mm, extension chain: 53mm Made of high-strength stainless steel, and it is hypoallergenic. Available in silver and rose gold.Diameter can be adjusted, suitable for most women or girls. A perfect gift for our close friend: "Not Sisters By Blood But Sisters By Heart" is the perfect way to say I love you to a special best friend. Excellent gift for friends, colleagues, classmates, birthdays, anniversaries and other occasions.It comes beautifully packaged and ready to give as a gift. Note:Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Packaging Includes:1 x Sister Bracelet.