Hello Kitty Girls 4 Piece Cotton Pajamas Set With Sleep Mask (Little Kid/Big Kid) 100% Cotton Imported Machine Wash Extra soft and easy to care for; Sublimated graphics Taped collar; Double stitched hems; Elastic waist 4 piece sleep set; Mix and Match; Plus a fun bonus sleep mask! Features everyones favorite cat, Hello Kitty Fits Snug for safety; For child's safety, garment should fit snugly; Garment is not flame resistant