100% Polyester This Team Up 2-Piece Toddler Sheet Set includes a fitted bottom sheet and reversible pillowcase The reversible pillowcase features Spidey and says, Spidey and His Amazing Friends! Designed in bold colors of blue, red, yellow, and green The sheet measures 28" x 52", and fits a standard size crib/toddler mattress Reversible pillowcase measures 20" x 30" and uses a standard size pillow