LEGO Ninjago Boy's 4 Piece Cotton Pajamas Set (Little Kid/Big Kid) This set includes two short sleeve tops and two matching shorts Ribbed-knit collar; Double stitched hems; Elastic waist; Sublimated graphics Features the Lego Ninjago ninjas: Jay, Kai, Cole, Lloyd, and Sensei Wu! This garment is not flame resistant; For your child's safety, garment should fit snugly. Pajama Set Glows in the Dark; Boy's sizes; Machine Wash Cold