Rubie's Costume Sonic The Hedgehog Adult Knuckles Dress and Accessories 100% Polyester Imported Hand Wash Dress with attached tail, headpiece, gloves and shoe covers Yellow knuckles dress features layered skirt Officially licensed costume from the always popular sonic the hedgehog games Hand wash and lay flat to dry Rubie's costume company has been bringing costumes and accessories to the world since 1950