From Paladone Products. Treat yourself to a spooktacular cuppa with this Nightmare Before Christmas Jack Skellington Mug. The 10-ounce black ceramic mug glows in the dark. Sip your drink in a dark room and watch Jack Skellington come to life! The Nightmare Before Christmas Jack Skellington Mug is perfect for fans of the Tim Burton movie. Not suitable for dishwasher or microwave use.