The gemstones in this double heart necklace pivot to create the effect of dancing. Engraveable with two names signifying a connection that can't be broken. Made in America. Metal: Sterling silver, 10K or 14K white or yellow gold Stone: Simulated round gemstones Closure: Spring-ring Dimensions: 18" long cable chain Pendant Size: 18.25x22.5mm Personalize: up to 10 characters each for both engraveable areas Choose two birthstones. Use the letter key below to represent the months: A=January B=February C=March D=April E=May F=June G=July H=August I=September J=October K=November L=December Features: Personalized, Family Jewelry, Quick Ship Setting: Prong Stone Cut: Round Metal Color: White Chain Length: 18 Inch Chain Width: .9 Millimeters Chain Construction: Cable Care: Wipe Clean Authenticity: Simulated Stone Metal: Sterling Silver Necklace Type: Pendant Necklaces Assembled in the US from Imported Materials ALL SALES FINAL Metal may be rhodium plated to enhance appearance and reduce tarnishing. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.