Personalized 3rd Birthday Teddy Bear Long Sleeve T-Shirt. Cute 3rd Birthday teddy bear Long Sleeve T-Shirt - Pink has pink cake with 3 candles on it. 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