Boo! Shriek! Scream! Monsters have been a popular source of terror and unease in pop culture since the early days of story-telling! These monster pajamas are sure to catch the attention of friends and family, as well as show off how much of a fan you are of these s! The set-top features a blueprint style of Frankenstein's monster with notes showing off the anatomy and build of it, and the pants feature the title of Frankenstein running along the pant leg. The pants themselves are made of a soft 60% cotton and 40% polyester fabric blend, and the shirt is a 52% cotton and 48% polyester blend.