Our book lockets are made with nickel free materials and feature the most beloved classic and modern books! They are on 24-inch chains and are sealed with a gloss finish for durability. Each locket can hold two pictures and can be purchased in stainless steel (as shown), bronze or gold tone. If you would like in a different material shown, just send a message to let me know! These have been amazing sellers for us and loved by our customers! We think yours will love them too! If there is a story you're interested in us making, please feel free to contact us! Lockets are approximately 1 inch in height and 3/4 inch wide.