100% Polyester The Batman Bat-Tech 4 Piece Toddler Bed Set includes a comforter, fitted bottom sheet, flat top sheet, and a reversible pillowcase Features Batman jumping into action with the help of his Batmobile Made of super soft plush fabrics Includes everything you'll need for a coordinated look Fits a standard size crib/toddler mattress that measures 28" x 52"