Add Extra Length to your necklace - Extra footage to a necklace in your cart with another necklace makes the necklace longer for you - Can either be added to a necklace on your order or a necklace you have at home, please let us know in the box below - Can either be added for one length chain, or for an extension see images - Extension option allows for you to adjust the lengths on a single necklace - FinerRings Necklaces are 17" standard - "Pickup" Shipping options means you can purchase extra length with no shipping costs