Marvel Boys Black Spiderman - Child Costume Marvel child's Spiderman costume. Black jumpsuit with white design to front. Includes matching skull cap. Small: Age 3-4 years. Height: 117 cm, Waist: up to 65 cm. Medium: Age 5-7 years. Height: up to 132 cm, Waist: up to 72 cm. Large: Age 8-10 years. Height: 147 cm, Waist: up to 82 cm. Polyester excluding trimming. Cleaning care: Sponge clean only.