Personalized Halloween Bat Long Sleeve T-Shirt. Adorable bat celebrates a starry Halloween night. Trick or Treat and Happy 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