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 sleeve 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 size chart.