Saturn Necklace,universe Necklace,star and Saturn Necklace,solar System Necklace.galaxy Necklace Saturn Necklace,universe Necklace,star and Saturn Necklace The size of the tiny pendant is only 10mm*10mm,really cute size. The chain is about 16 inches long.Gold plated. If you want a 18 inches chain,just send me an e-mail.Thanks Gift for best friends.