Mastiff - Caution - Area Protected By Mastiff; 12" X 12" Square Indoor Outdoor Security Sign This Novelty Sign is Approximately 12 Inches X 12 Inches Square and Approximately 3/16" Thick Great for Indoor or Outdoor Use; Screen Printed with High Quality Durable UV Fade-Resistant Inks Made from Coroplast (Corrugated Plastic) Which is: Tough, Waterproof, Rustproof, Lightweight and Dent Resistant Coroplast Lasts Much Longer Outdoors (Without Turning Yellow or Getting Brittle) Than Many Other Types of Plastic Signs Black & Yellow Ink on White Background (The Easiest Color Combination to See From a Distance); Proudly Made in the USA