These are 100% Officially Licensed Dr. Suess Grinch pajama sets!! Dr. Suess' The Grinch Who Stole Christmas is an all-time great holiday Christmas story that we all know and love! This pajama set features a classic design inspired by the magical books and animated cartoon films we all know and love! The top has long sleeves with a large front print of The Grinch in a Santa hat and words that read BEHAVE For The Holidays. The pants are made of soft fleece with an all-over print of The Grinch over a red and black plaid design. Great for holiday snuggles and bedtime. Both top and bottoms are made of 100% polyester.