Elmo Toddler Sheet Set includes: 1 Fitted Sheet & 1 Standard Pillow Case * Fitted Sheet Measures: 28 in x 52 in, fits a standard crib / toddler bed mattress * Standard Size Pillow Case Measures : 20 in x 30 in * 100 % Polyester; Machine Wash Cold. * The sheet DOES NOT FIT TWIN BEDS.