Celebrate Christmas and Halloween...any time of year! Stunning pewter key chain featuring Jack Skellington from The Nightmare Before Christmas . Take Jack with you anywhere! Nightmare Before Christmas Jack Skellington Logo Coffin Pewter Key Chain. This stunning pewter key chain features the one and only Jack Skellington, resting peacefully inside a coffin! Give your keys some nightmarish style - order yours today! Measures 3-inches tall.