Personalized Valentine Bunny 3rd Birthday Long Sleeve T-Shirt. Valentine's Day bunny 3rd birthday Long Sleeve T-Shirt - Charcoal with cute spotted bunny rabbit carrying heart shaped balloons and big pink and white polka dotted number 3. 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