100% Polyester 100% Polyester 2 PIECE PAJAMA SET FOR BOYS – Your little one can fight crime in his dreams in his new Justice League and Aquaman pajamas! This boy’s DC Comics pajama set includes a soft short sleeve t-shirt and a pair of matching shorts. FEATURING HIS FAVORITE HEROES – These super cool pajamas are sure to bring a smile to any boy’s face. This sleepwear set features graphics of DC Comics’ Justice League superheroes, The Flash, Batman, Superman, Aquaman, The Green Lantern, and Wonder Woman! It’s perfect to play and sleep in! COMFORTABLE & STYLISH – These pajamas are made from high-quality 100% polyester fabric that is flame resistant for your child’s safety. They are lightweight and soft. Each Lego pj set contains double stitched hems, an elastic waist, and a ribbed-knit collar. This set includes sublimated graphics in bright colors. Perfect for a Christmas Gift or Holiday present! Make every night before bed a Superhero Halloween Slumber Party! Your child can dress up in these Costume Pajamas and save the world!