100% Polyester The 4 piece set includes a comforter, fitted bottom sheet, flat top sheet, and reversible pillowcase Features colorful rainbows, clouds and a pajama tree with Gabby and Kitty Fairy! Includes everything you'll need for a coordinated look The sheet measures 28" x 52" x 8" and fits a standard size crib/toddler mattress Machine washable for easy care