Material: nickel free surgical steel Dimensions: Available in 3 lengths: 15", 16", and 17" - if you do not see your size, please shoot us an email here! Care: Surgical steel jewelry will not tarnish, rust, or corrode, making it maintenance-free. This necklace is part of our Rowdy Collection. *I'm wearing a 16" length in the last photo. Mini Necklace, An Email, Steel Jewelry, No Se, Silver Bracelet, Collar, Silver, Quick Saves