This toddler boys' 4pc Super Mario pajama set in size 4T is a snug fit made of cotton. It features characters from the Super Mario Brothers series, including Luigi and Mario, with a colorful design that is sure to delight any young fan. The long sleeve pullover style makes it easy to dress and undress, providing comfort and style for bedtime or playtime. Made by Nintendo and manufactured in China, this pajama set is a perfect addition to any little boy's wardrobe.