Our safety sign category ensures that you have the proper products to warn your occupants of everything from a wet floor to a biohazard. Some of the safety sign products that we carry include: Flagging Tape - is commonly used by surveyors to mark certain areas to warn others. Traffic Cones - are great for those big projects on the side of the road. These will help create a boundary between you and the oncoming traffic. Caution Signs - are made from stainless steel and brass that are attached to a wooden panel.