A warning tag and process of making the warning tag are provided. The warning tag has a substrate layer, a reflective layer laid on top of the substrate layer, and a negatively printed message on the reflective layer. In some embodiments, the reflective layer is covered with non-reflective ink to form the non-reflective ink coating such that a warning indicia message is left exposed while the surrounding area thereto is covered. A process of making such warning tags is also provided.