Funny Party Hats Mardi Gras Hat - Mardi Gras Costumes - Mardi Gras Accessories - Mardi Gras Party Fun Mardi Gras hat is unisex and a one size fits most adults and teens. Stove pipe Mardi Gras themed hat is made of soft plush-like material. This costume hat is perfect for Mardi Gras or any dress up event. Perfect themed hat for costume parties! Be festive and original this stove pipe Mardi Gras themed hat.