4pc DC Comics Justice League Girl Twin Bedding Set Awesome Power Justice Girl Comforter and Sheets Comforter is 60% Cotton, 40% Polyester DC Comics Justice Girl twin comforter, 64 x 86 inches, and Awesome Power twin size flat sheet, fitted sheet, and one standard pillowcase. Genuine licensed merchandise. Machine washable. Sheets are super-soft microfiber! The comforter is cotton rich! 60% cotton, 40% polyester.