The light is directed towards, the source of light is mounted on the bottom of the letter, the face is made of plexiglass or vinyl, the sides and the bottom are made of thick material which does not let light pass (peno pvc or aluminium), the colour is determined by the colour of the light source or by the colour of the material (vinyl or pvc foil) mounted on the face of the letter.

Manufacturer: GRIM - GEORGI MITEV ET