Personalized 3rd Birthday Cute Tiger 3 Year Old Long Sleeve T-Shirt. 3rd birthday themed adorable tiger has I'm three quote for a child turning 3 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