Personalized Zombie Clown Balloon T-Shirt. Ok, so maybe you should have rented another clown for the party. Maybe next time you don't get a zombie one? Even the balloon is horrified! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.