Personalized 3rd Birthday Construction Truck Bulldozer Long Sleeve T-Shirt. Cute 3 year old boy birthday party Long Sleeve T-Shirt - Pink with number three and bulldozer design 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