Silvertone Mini March - Hot Blue Birthday Crystal Silvertone Heart Silver Tone Easter Bunny Necklace and Earrings Set. Birthday Crystal Heart is approximately 0.24 x 0.25 x 0.11 inches (HxWxD) not including loop. Back is smooth and rounded. Silver tone faceted ball chain necklace is 18 inches and has a spring ring clasp. This necklace is dainty and the facets sparkle. Necklace comes with an antiqued beaded cross charm pendant and 3-d adorable bunny charm pendant. Cute bunny rabbit stud earrings have a steel post and clutch style earring backs for comfort. PLEASE NOTE: Our items are not intended for children 14 years and under.