What do I see there in the sky? It's Super Hero Girl! As she soars through the sky looking for gentlemen in distress, she uses her magical mask through which she can see all trouble ahead! This Super Hero Girl costume is made of 100% polyester. The length of the skirt is 42 cm (3-4 years), 50 cm (5-7 years) or 58 cm (8-10 years).