This easy-to-read vertical visitors sign is manufactured with rounded corners and four 0.20-inch mounting holes for easy installation. The white background clearly displays English text, printed in color. Each plastic OSHA NOTICE sign has a clear protective laminate to make your restricted access message clear. This sign is chemical, abrasion and moisture resistant and is suitable for use at temperatures from -40 to +176 F. ComplianceSigns signs and labels are made in the USA and commonly used in industrial, commercial, public and private settings, indoors and out. Full sign text: ALL VISITORS MUST SIGN IN AND SHOW I.D.