Promote safe elevator use with the Ring Bell Before Starting Elevator Sign. This sign reminds riders to signal their presence before operating the elevator, helping to prevent accidents and ensure a safe, smooth experience for all users. Safety First Ring Bell Before Starting Elevator Sign Details Made with the strongest industrial grade materials in the industry, our signs are digitally printed with professional grade vinyl graphics using UV resistant inks that withstand the harshest elements and environments. Signs have pre-drilled mounting holes and rounded corners. They are made to perform flawlessly for years in the roughest of outdoor weather conditions without deteriorating or fading and will also handle the most demanding indoor industrial environments around.