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 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.