?DIMENSION: 0.2?? x 0.2??x 18?? with 2 extender ?MATERIAL: Solid 925 sterling silver and cubic zirconia with high-quality 3-layer white gold (rhodium) plating. ?MEANING: Our meaningful sterling silver 30th birthday necklace is the perfect way to capture a milestone and wish the birthday woman well! Say hello to a new decade with this sweet gift for the 30 year old. It is the best way to say happy 30th birthday, and cheers to her next year of life! For the woman who is thirty and thriving. This dainty jewelry gift is so pretty, she will wear it for years to come! ?GIFT GIVING: Our 30th birthday necklace is one of the fun gift ideas for daughters, friends, sisters, girlfriends, nieces, or granddaughters who are turning 30! Give this sweet but classy present to the young woman with the 30th birthday. Great milestone jewelry for your best friend, cousin, sister, and more. Any 30 year old will love to receive this dainty necklace for her bday. Whether she celebrates by going out with the girls or having a party, give this gift beforehand. ?MISSION: KEDRIAN cares about giving back to society and positively impacting womens?? lives. A portion of the proceeds from this purchase funds girls education through Children of Promise, a nonprofit dedicated to child sponsorship in 29 countries worldwide.