Smith-Victor’s new line of professional soft boxes are constructed with a durable black/silver laminated heat resistant material capable of withstanding heat from up to a 1000 watt quartz halogen lamp. The spring tension rods easily fit into soft box and mounting bracket. All soft boxes have a heat release flap, a snap-fit internal panel and front diffusion panel. The front panel is hook and loop tape fitted allowing you to place the panel at the box edge or into the box 1-1/2 inches for improved light direction. Mounting bracket and handled travel bag included with all Smith-Victor soft boxes.