Personalized My 1st Halloween Long Sleeve T-Shirt. My 1st Halloween! Cute kitty, skull, ghost and bat celebrate baby's first Halloween! 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