This one-piece union suit features your favorite characters from the beloved long-running series. Choose from Elmo, Cookie Monster, or Oscar the Grouch. This pajama union suit features a hood with 3D eyes and nose. Made of 100% polyester fabric, this pajama is soft, durable, and great for year-round wear. This pull-on pajama features a front zipper for extra convenience when putting on or removing these pajamas. The arms and legs feature cuffed ends to help keep this pajama in place. To help maintain the pajamas' feel and vibrant color, please wash cold with like colors and tumble-dry low.