Personalized Mardi Gras Party Shirt Toddler Long Sleeve T-Shirt. Colorful Mardi Gras design has trumpet, beads, mask and quote that says this is my Mardi Gras shirt. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.