Personalized Trick or Treat Classic Halloween Saying Dripping Green Slime T-Shirt. Celebrate the spooky season in style and make a statement with this fun and festive piece. Don't miss the opportunity to add this eye-catching item to your Halloween collection. 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.