Batman Boys 4 piece Cotton Pajamas Set (Little Kid/Big Kid) 100% Cotton Imported Machine Wash Cold Extra soft and easy to care for; Sublimated graphics Ribbed-knit collar; Double stitched hems; Elastic waist Two pairs of jammies to mix and match Features DC Comics superhero, Batman style graphics Designed to fit snug; For child's safety, garment should fit snugly, sleepwear is NOT flame resistant