Premium Material: Made of 925 Sterling Silver, hypoallergenic, nickel-free and lead-free, no tarnish, rust, it won't hurt your skin, safe to wear in your daily life Black Onyx Necklace: Black gemstone represents strength, courage, wisdom, longevity, love, hope, and wealth. Wearing black agate jewelry can enhance personal confidence and strong perseverance, eliminate inner fears, enhance courage and bravery, and alleviate depression. It is also regarded as a symbol of longevity, which can promote a happy life, bring joy and confidence. This gemstone pendant necklace looks gorgeous and dainty, which make it stands out among all other necklaces. You will get lots of compliments while wear it Adjustable Size: This necklace length approx: 15.75 inch + extend 1.97 inch(40+5cm), you can adjust it freely. Whole pendant about 0.5*0.5 inch(1.3*1.3cm), black onyx about 0.23*0.23 inch(0.6*0.6cm), net weight about 0.068oz(1.95g). Suitable for women, perfect for daily wear and dating Thoughtful Gift for Every Occasion: This sterling silver black onyx necklace is a standout gift for birthdays, Valentine’s Day, Christmas, Mother’s Day, graduations, or anniversaries. Surprise your loved ones, friends, or treat yourself to a piece that merges meaning and style. 925 Silver Jewelry Maintenance: To protect the plating, remove your jewelry first before hand washing, swimming, exercising, cleaning. Maintain your jewelry’s high shine by avoiding contact with soap, perfume, lotion, makeup, hair & cleaning products. If you have any problems, you can contact us at any time. We will provide get back to you in 24 hours YYDSUNY Dainty 14K Gold Plated Black Onyx Necklace for Women 925 Sterling Silver Square Gemstone Cubic Zirconia Pendant Choker Necklace July Birthstone Jewelry Mother's Day Valentine's Day Birthday Christmas Easter Wedding Gift for Mother Friends