This is a great bundle set for Spiderman fans. It comes with 2-pack of short sleeve t-shirts. Each shirt comes with the classic Spiderman graphic on the front and back. These are 100% polyester in sizes 4, 5/6, 7, 8, 10/12, and 14/16. The material is comfortable and breathable which makes them suitable to wear during summer or spring time. With this wonderful gift set, you can transform your child into one of the most popular superhero characters today, Spider-Man!