This opalite snake pendant necklace features a 21mm x 21mm size with an 18-inch sterling silver chain, making it a perfect unisex design. The snake symbolizes wisdom, rebirth, and eternity, reflecting the wearer's deep understanding of life. Regarded as a protective and lucky charm, the blue opal choker necklace showcases unique color shifts and mesmerizing blue hues, with each piece being one-of-a-kind. Crafted from hypoallergenic 925 sterling silver, the necklace is lead-free, nickel-free, and safe for sensitive skin. For any inquiries, our professional team ensures excellent service and support to guarantee your satisfaction.