100% Product. The Nightmare Before Christmas is Tim Burton's masterpiece fantasy film. It is the story of Jack Skellington, a being from Halloween Town. When he learns about Christmas, he decides he wants to celebrate that holiday too. These black Minky fleece pajama lounge pants feature an all-over Jack Skellington Fairisle holiday design. These are fun and distinctive sleep pants, great for Tim Burton fans. Made of 100% Polyester with an elastic drawstring waistband and have two hand deep pockets.