Cactus 18K Rose/White/Yellow Gold Plated Opal Necklace is 16 with 2 Extender to comfortably fit all neck sizes. This cactus necklace symbolized hope and vitality that shows a strong spirit. It is the best gift for your best friends, sisters, or your mother. 18K Gold Plating will ensure a very long lasting brilliant finish and hypoallergenic. Ensure a smile on your loved ones face, this is an ideal purchase for Christmas, Mother??s Day, Birthday, Christmas gifts for her. Our return and replace policy is easy- we refund/ we replace/ we exchange. Just check below for more details, and on how to contact us. Please check size reference images before ordering. We have been over 20 years of experience in manufacturing and sales in fashion accessories industry. We control the entire process of the product development such as design production for material, finishing and packaging to provide better quality items.