Our patent-pending jewelry is made of high quality surgical steel with an 18k gold finish option on most necklaces. This quality piece is the perfect keepsake! Whether for yourself or a loved one. We Offer a 100% Happiness Guarantee. Product Specifications: Round Pendants: 0.9" x 0.9" (23.5mm x 23.5mm), with an 18-22" chain. Heart Pendants (printed): 24mm x 24mm), with an 18-22" chain. Heart Pendants (engraved): 0.9" x 0.94" (2.3cm x 2.4cm), with an 18-22" chain. Dog Tag Pendants (printed & engr