Jewelry Closure: Spring Ring Clasp Link Construction: Solid Shape: Heart Metal Color: Two Tone Chain Length: 18 Inch Chain Width: .93 Millimeters Pendant Length: 28.7mm Pendant Width: 19.7mm Chain Construction: Box Care: Wipe Clean Metal: Sterling Silver, 14k Gold Over Silver Necklace Type: Locket Necklaces Pendant & Charms Type: Lockets Assembled in the US from Imported Materials Metal may be rhodium plated to enhance appearance and reduce tarnishing. Photos are enlarged to show detail.