These pieces are available in Nickel Free 925 Sterling Silver, 10k Yellow and 10k White Gold. Each piece includes an 18″ box chain. Larger 20″,22″ and 24″ chains are also available along with a thick 18″, 20″, 22″ and 24″ option. All pieces include fingerprint. All pendants come with a brushed rear. Custom engraving, authentic signature or laser etched photo are also available on rear of all pieces.