Transform into terrifying creatures with Trick or Treat Studios' collection of professional-grade horror costumes and latex masks. Our animal-themed monster costumes feature intricate details like the Lab Chimp Monster Overhead Mask and Severed Pig Head Mask, designed for authentic horror Halloween experiences. These adult-sized creations blend premium latex construction with nightmare-inducing animal features, perfect for haunted events or Halloween parties. As leaders in horror Halloween masks since 2009, we offer officially licensed designs that surpass standard vampire masks or zombie costumes in quality. Explore our collection of animal Halloween costumes that pair perfectly with monster-themed party supplies - all backed by our 100% happiness guarantee and fast US shipping.