Powercall Sirens "Blacklite" decals are printed on 3M's top of the line 280 Reflective Black Material. Nobody can top it!

The color "BLACK", or any other color that is printed on this material, shows when the light hit's it. When there is no light, the decal appears Black, as shown in the pictures

These decals are made for your helmet (Hardhat size of 2"), window or any other smooth surface you wish to apply the decal on. We offer all of our decals in sizes from 2" (Hard hat size) up to 11"