Personalized 1st Birthday Turtle Long Sleeve T-Shirt. A cute little turtle jumps for joy for its giant birthday cupcake with sprinkles and a 1 candle on it. Adorable first birthday gift. 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