100% Polyester The Avenger Team 4 Piece Toddler Bed Set includes a comforter, fitted bottom sheet, flat top sheet, and reversible pillowcase Features Hulk, Captain America, Iron Man, and Thor on a bright blue ground 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"