Personalized 3rd Birthday Dragon Long Sleeve T-Shirt. I'm 3. A cute dragon puffs pink smoke to let the world know it's 3rd birthday is here! Great gift for the three year old. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL