With bold colors and a super sized number, this tshirt is a stylish way to show your age and name. Celebrate an upcoming birthday with this colorful design. Our personalized birthday shirts for kids are made of super soft cotton and are digitally printed with premium inks. This playful design can be printed on short sleeve or long sleeve tshirts, baseball tshirts or personalized baby onesies. Personalize this fun design with a child's name and age.