Material: 18K Gold Plated 316L Stainless Steel,Never Rust,Sturdy and Durable,High Quality.Item size:6mm*36mm(Width*Length),chain adjustable 15.7-17.7. Custom engraving bar necklace set of 2 piece,you could give them to different family members or your friend as a gift,wear the same one with your bestie(s),family,to show you care for each other!Also economical choice for you. We offer engraving service,engraved a personalized message on it,you can personalize yours with inspirational messages, custom coordinates, name, or initials, for the truly unique graduation, birthday, anniversary, Christmas, and friendship gift.It is a very personal reflection of a very special promise to your loved one. Please clickCustomize Nowselect engraving font and fill in your engrave information then add to cart,we will get your engrave info from your order,if you want change the engrave info after finish the payment,please contact us with your correct engrave info immediately,we will do our best to help you. Perfect for best friend or family, birthday gifts, Christmas gifts, or for simply treating yourself. A perfect gift for just about anyone.