Material 14K Solid Gold, Gold Filled, Sterling Silver Production Time 1-5 Business Days Chain Delicate 1mm cable chain Locket Size Mini: 16.5mm X 11.5mmClassic: 20mm x 14.5mm Photo Size Mini: 8mm x 7.5mm (glue required to add photos)Classic: 10mm x 9.5mm (clear inserts included) Dainty Personalized Open Heart Locket Necklace, Classic Heart Charm Pendant Locket Necklace, Gold Personalized Open Heart Locket Necklace, Personalized Gold Open Heart Locket Necklace, Classic Gold Locket Necklace With Heart Charm, Gold Sterling Silver Locket Necklace With Heart Charm, Anniversary Heart Pendant Locket Necklace With Chain, Gold Sterling Silver Heart Pendant Locket Necklace, Personalized Open Heart Locket Necklace With Charm