These soft boxes are both economical and yet offer full system versatility for a variety of light control applications. Made of high quality black metalized fabric, the Westcott Box also features reinforced corners to withstand heavy use. An internal diffuser panel can be easily removed when additional contrast is required and the exterior diffuser panel can be positioned flush with the front of the box or in the recessed position for more edge control. The four support rods are made of solid metal for increased durability (no fiberglass to break) and a fitted collar that goes around your light unit is made of heat retardant material. Also, choose from a wide variety of accessories to expand your light control capabilities. Requires speed ring.