Justice League Boys 3 Piece Pajamas Set (Little Kid/Big Kid) 100% Polyester Imported Machine Wash Extra soft and easy to care for; Sublimated graphics Ribbed-knit collar; Double stitched hems; Elastic waist 3 piece sleep set; Mix and Match DC Comics Justice League heroes: Superman, Batman, Green Lantern and The Flash; Comic book look; Crackled distressed images Sleepwear tailored in flame resistant fabric for fire safety