Silver Tone Open Heart with Nurse Hat Sisters are Best Friends Glass Dome Necklace. Charm size is approx. 0.68 x 0.71 x 0.13 inches (HxWxD) including loop. 1.2 mm Snake Chain Necklace is 18 Inches. Lobster Claw Clasp. Inspirational pendant is 16mm round metal frame. Decoration inside is printed paper sealed with a domed glass cabochon. Hand assembled dome features: Sisters are Best Friends Forever. Wonderful gift for big and little sisters, sorority sisters, and your best friend (who is probably better than a sister anyway!). PLEASE NOTE: Our products are lead safe, but are not intended for children 14 years and younger.