This Is My Scary Teacher Costume Halloween T-Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat This Is My Scary Teacher Costume Halloween Amazing Designs This Is My Scary Teacher Costume Halloween Lightweight, Classic fit, Double-needle sleeve and bottom hem