The Clip-in illuminated light box's original aluminium extrusion design allows for construction of custom sized boxes, single or double sided in order to meet your advertising requirements. Custom light boxes can be ordered in both black painted or clear satin anodized finishes. Used with signs or transparencies etc. the Clip-in box illuminates the selected media with smooth, even light. Simply add graphics and slide insert in. *Inserts available only at customers request.