Teen girls bedding in twin size is available as comforters, lighter quilts and duvet cover sets. Twin duvet covers conveniently slip over any comforter insert to create an instant bedroom makeover in your teen girl's bedroom. Standard twin size comforters and quilts measure 68" x 86" and fit a regular twin size bed. Many teen girl bedding collections below offer matching twin sheets, bed skirts and elegant room decor to make your teen girl's room complete and special.