This exquisite polished mermaid tail heart locket pendant is crafted from 925 sterling silver, ensuring it is nickel-free, lead-free, cadmium-free, and hypoallergenic for safe, long-term wear. The platinum plating maintains its lustrous finish, preventing fading over time. Measuring 22.1mm by 17.6mm (0.87 by 0.69 inches), the pendant comes with an 18-inch rolo chain featuring a secure spring-ring clasp, making it a perfect accessory for any occasion. Designed as a heartfelt gift, this locket includes a free elegant gift box, allowing you to personalize it with cherished photos. It’s an ideal birthday present for a granddaughter, symbolizing love and connection. We are dedicated to delivering premium jewelry and exceptional service. If you’re not completely satisfied, contact us within 24 hours, and we’ll promptly address any concerns to ensure your happiness.