Personalized Mexico Brick Flag T-Shirt. Interesting design, created to look like graffiti on a brick wall, the Flag of Mexico or Mexican Flag, looks as if it were carefully painted on the brick. 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.