The Celtic knots of the timeless Interlok Collection symbolizing never-ending love, loyalty and friendship continue to evolve – featuring infinity symbols linked together on this necklace with a graceful fluidity of design. Our silver items have a protective lacquer finish to help prevent oxidation. To care for our silver items, simply wipe down your pieces with a dry, 100% cotton cloth. Keep them away from water, jewelry cleaners, silver cleaners, treated polishing cloths, perfumes, hairspray, lotions, hand-sanitizers and make-up. We offer our own that you can safely use.