These Harry Potter pajama bottoms are made of soft polyester fabric. Available in any of the 4 different Hogwarts house designs, Gryffindor, Ravenclaw, Hufflepuff, Slytherin, or Hogwarts. These lounge pants feature a plaid color design with the coordinating house crest and Hogwarts house name on the left pant leg. These pajama pants are great for lounging around the house, watching your favorite Harry Potter movie, or reading the Harry Potter book series! For questions regarding sizing, please refer to the size chart. HARRY POTTER PAJAMA PANTS: Show your love for Harry Potter and your Hogwarts House with these Harry Potter plaid lounge pajama pants. ALL 4 HARRY POTTER HOUSES AVAILABLE: These Harry Potter pajama pants come in the Hogwarts design or all 4 house colors and designs. The bottoms are done in a matching 3-toned color plaid pattern. SLEEP IN COMFORT: These plaid lounge pants are great for summer nights or even cooler winter nights! You will sleep comfortably while dreaming of quidditch, potions, wands, spells, and magical adventures! EASY CARE FABRIC: These pajama pants are made of soft and durable fabric. Please Wash Inside-Out, In Cold Water. Tumble Dry Low. EVERYDAY WEAR: These pajama pants are great for everyday use whether lounging around the house or watching your favorite Harry Potter movie.