A Jack Skellington mug for every occasion! Let other's know what mood you're in with the help of the Pumpkin King! These Nightmare Before Christmas Jack Skellington Expression Ceramic Mugs come in 4 styles. Which one will you choose? Each cup holds approximately 4 1/2 ounces. This Nightmare Before Christmas Jack Skellington Expression Mug 4-Pack includes 4x individually packaged mugs - 1 of each style (subject to change).