Caution personnel to open a door slowly and help prevent safety incidents with the Accuform "Caution Open Door Slowly" Adhesive Vinyl Safety Sign. This caution sign delivers a highly visible message in OSHA-compliant black and yellow colors, clearly indicating a hazard that could cause minor or moderate injury if not avoided. Featuring a printed matte surface and a permanent acrylic adhesive backing, this adhesive vinyl sign sticks firmly to a variety of flat and curved surfaces--including pipes, poles, secondary containers, and more. The adhesive backing is moisture resistant, making it ideal for various light-duty indoor and sheltered outdoor marking needs. With its easy-to-peel scored backing, this compliance sign is easy to position and install. This Accuform industrial sign complies with OSHA 29 CFR 1910.145 and ANSI Z535 requirements. Choose from a wide range of Accuform OSHA signs to achieve standardized, durable, and cost-effective messaging throughout your entire workplace facility.