Harry Potter School Crest Gryffindor Hufflepuff Slytherin Ravenclaw Iron On Sew On Applique Embroidered Patch Badge Large Size (Slytherin) Embroidered patch - 1 PCS Easy to iron on or sew on apparel Front side is embroidered patch. Back side is hot melt adhesive. 10cm x 7.3cm / 3.93' x 2.87'