Keep potential trespassers off your property by telling them that your property is monitored by digital surveillance equipment. One 11 3/4" x 9 3/4" UV stable styrene signs in yellow, black and white (.055" thick). This sign is heavy duty and extremely durable and not easily torn. It will last for years and if properly mounted will be difficult to be torn off trees and signs. no trespassing signs, security signs, survellence signs, Heavy Duty, no trespassing, sign, signs, trespassing, survallence, survalence, servelence, servellence, posted signs, posted sign, posted