Personalized 3rd Birthday Sail Boat Girls Long Sleeve T-Shirt. 3rd Birthday pink sailboat Long Sleeve T-Shirt - Pink has big number 3 on the sail for a nautical themed birthday party. 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