This classic heartbeat necklace features an EKG-inspired pendant crafted from polished 925 sterling silver. This nickel-free, lead-free, cadmium-free, and hypoallergenic material resists oxidation and discoloration, ensuring long-lasting wear. The pendant measures 25mm 0.98 inches and hangs on an 18-inch chain with a 2-inch extender for universal fit. Symbolizing enduring love and life, this simple yet elegant CZ-accented piece makes a meaningful gift. It is perfect for nurses, doctors, friends, sisters, sweethearts, or family to commemorate cherished moments together. The necklace comes beautifully packaged, ready for giving. We offer professional service and a 30-day no-risk return policy. For any questions, please contact us for a prompt solution.