SmartSign Adhesive Vinyl Label, Legend "Danger: Confined Space Authorized Personnel Only", 10" high x 14" wide, Black/Red on White Legend "DANGER CONFINED SPACE AUTHORIZED PERSONNEL ONLY" Lyle Signs supplies your decal with pressure-sensitive adhesive for easy application This Lyle Safety decal is designed to last up to 4 years for outdoor applications and longer for indoor applications Lyle Safety decals meet OSHA 1910.145 requirements This Lyle Safety decal can be applied to simple curved surfaces