Personalized It's My Birthday Dragon Long Sleeve T-Shirt. It's My Birthday! A cute dragon is amazed at the size of its birthday cake. Funny gift for any dragon lover's birthday. 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