| 3M Scotchlite Reflective Tetrahedrons. 3M Scotchlite material exceeds NFPA standards in the following categories: Retroreflectivity, Wet Reflectivity, Flourescence, and Heat Convection. In other words, 3M Scotchlite is the best material for decals. Tetrahedrons come as a set of 5. Choose color: Lime/Yellow, Red/Orange, or Silver. |