Our Gryffindor Iron On Patch will make the perfect finishing touch to your Harry Potter themed book day costume Add to a black hooded robe , grey school jumper or add to your bags , jackets , trousers if your are a Harry Potter film fan ! Made from top quality cotton embroidery material , has stitched edges to prevent fraying and best is a sew on application These patches will not run , shrink or fade in the wash This sew on patch is what your Harry Potter book day or Halloween costume needs !! Size measures 4″ x