Harry Potter has become a worldwide phenomenon since J.k Rowling released her magnificent books, and they were subsequently made into incredibly popular films. When attending Hogwarts School of Witchcraft and Wizardry, there are 4 houses that the Sorting Hat can assign you to: Gryffindor, Slytherin, Ravenclaw, and Hufflepuff. This Gryffindor pajama set for kids has an athletic style look with Varsity stripes on the long-sleeved tee and Gryffindor logo on the shirt and pants. Our pajamas are regulated by the Consumer Product Safety Commission. These are made of 100% polyester fabric. For questions regarding sizing, please refer to the size chart. These are the best!