Personalized Panda 4th Birthday Long Sleeve T-Shirt. Help your child celebrate their birthday in a special way. Panda 4th Birthday Long Sleeve T-Shirt - Pink, features a cute, fluffy panda bear with number four on its tummy. 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