Personalized 6th Birthday Flowered 6 Year Old Girl Long Sleeve T-Shirt. pretty flowers surround this number 6 for a girl turning six years 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