Teenage Mutant Ninja Turtles Deluxe Leonardo Costume Jumpsuit, Shell, and Eye- Mask. IMPORTANT: Costume sizes are different from clothing sizes; review the Rubie's size chart image when selecting a size and consider buying the next size up if you are at the top of a size range . Rubie's is the choice for crime fighting, pizza eating turtle costumes and accessories for adults, teens, children, babies, and even pets.