Disguise yourself with this Mardi Gras party mask. Mardi Gras masks comes in assorted styles in traditional Mardi Gras colors. Adult size. Every mardi Gras celebration needs the right mask. With a wide selection of costume masks for all occasions, you'll be sure to find the perfect mask for your Mardi Gras or Carnival celebration. If you are having a party make sure all your guests can join in the fun by having masks on hand.