Looking for a colorful way to celebrate how fun it is to be one? This 1st birthday tshirt, featuring the exclusive brushstrokes of Kal Barteski, is a colorful and unique way to celebrate and commemorate that oh so special 1st birthday! Choose from several darling color schemes for this charming 1st Year Fun design. All of our 1st birthday shirts and personalized onesies are made of super soft, thick cotton and are digitally printed with premium inks. This playful design can be printed on a super soft tshirt or onesie.