The Lego Movie 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 shorts 3 piece sleep set; Mix and Match Features LEGO characters: Master Builder Emmet, Vitruvius, and Benny Sleepwear tailored in flame resistant fabric for fire safety