Personalized Mardi Gras Beads T-Shirt. Mardi Gras T-Shirt - White with green, yellow and purple beads on a string. Text says MARDI GRAS. Perfect for Fat Tuesday! Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.