This Celtic knot design is inspired by ancient Celtic tradition, symbolizing unity, eternal love, and life. The knot wraps around a crystal heart, representing a loving embrace. The butterfly urn necklace can hold ashes, hair, sand, or dirt, keeping memories close even when apart. The heart urn pendant measures 0.70 by 0.86 inches, with an 18-inch chain and a 2-inch extension for adjustable sizing. Crafted from 925 sterling silver, it is lead-free, nickel-free, and hypoallergenic, ensuring no skin irritation or fading. The high-quality chain is durable and resistant to breakage. This elegant jewelry set makes a perfect gift for any occasion, such as engagements, weddings, birthdays, or Mother’s Day. It is a heartfelt present for loved ones, including wives, mothers, sisters, or friends. We offer lifetime after-sale service and guarantee quality. Feel free to contact our customer service with any questions.