This SpongeBob SquarePants Adult Onesy is a medium size pajama with a colorful yellow graphic print featuring the iconic character, SpongeBob SquarePants. Made from 100% polyester fleece, this one-piece features long sleeves, a hood, and a zip closure for easy wear. Perfect for fans of the TV show, this Nickelodeon branded garment is machine washable and suitable for all seasons.