Nightmare Before Christmas Underwear Women - Bundle with Nightmare Before Christmas Hipster Underwear Panties for Women Girls Plus Mobile Wallet, Bookmark. This Nightmare Before Christmas undwear set include 3 pairs of hipster panties featuring cute Nightmare Before Christmas artwork. These Nightmare Before Christmas hipster panties are made of comfortable material and are great to wear all day long. Machine wash the Nightmare Before Christmas underwear on cold to preserve the artwork of Jack Skellington and Sally. Officially licensed Nightmare Before Christmas underwear 3 pack also includes a Nightmare Before Christmas phone wallet and a Nightmare Before Christmas bookmark.