[Material] The ocean wave necklace is made of high-quality alloy and silver plating, which is hypo-allergenic,durable and comfortable.The necklace is easy to wear and take off. Besides, it is lightweight and it won't bring much burden to you. [Length]: About 15.9 inches + 2 inches extender. The length of the necklace is moderate and most people can wear it. [Design] This necklace is inspired by wave elements, coupled with the design of a round pendant, making the necklace more fashionable and exquisite. This necklace not only makes women look more elegant, but also looks gentle like waves. So as to exude the unique charm of women. [Gifts] The necklace is suitable for most women. It is a ideal gift for your lover, girlfriend, wife, daughter, mom, sisters and other female friends on birthday, anniversary, wedding, graduation, Valentine's Day, Mother's Day, Thanksgiving Day and other meaningful occasions. [After-sales service]If you have any problems about our necklace ,please contact us.