SmartSign 3M High Intensity Grade Reflective Sign, Legend "Private Property - No Trespassing", 18" square, Black on White Legend "PRIVATE PROPERTY NO TRESPASSING" Lyle signs supplies your sign with radius corners for safety; holes punched for post mounting Lyle Enhanced signs have a 10 year durability Lyle Signs produces signs that exceed industry standards and specifications The temperature range is -40 to 175 degrees F