If you are a cunning, resourceful member of Slytherin, add the Harry Potter Slytherin Cardigan to your wardrobe and showcase your ambition. This green sweater features silver details on the sleeves, black edging, and the Slytherin house crest on the left side. Made of 71% rayon, 29% polyester. Machine wash cold with like colors, tumble dry low. Do not iron, do not dry clean.