About this item .925 Cubic Zirconia Sterling Silver. Width: 2.1 MM Length: 9 Inch with 1 Inch Extension Inches Colors Available: Gold Plated, Silver, Black, Sapphire. Lobster Craw Closure. Hypoallergenic, Nickel Free; Safe For ALL Skin Types. ALL NYC STERLING JEWELRY IS CURATED & INSPECTED: All NYC Sterling jewelry collection pieces are personally curated and closely inspected prior to being sent out to customers to ensure perfection and complete satisfaction. PACKAGING: NYC Sterling includes a blue or black velvet pouch, perfect for sending it as a gift or for a loved one.