The PROMASTER SystemPRO ReflectaDisc 5-in-1 Plus is versatile in the field and in the studio, providing shadow-lightening detail in your subject, using available, or studio lighting. It contains a translucent white disc, which softens direct sunlight, or lights without diffusion. The removable, reversible zippered slipcover to reflect light into shadow areas of your subject. The cover consists of silver, gold, white and black reflectors. ReflectaDiscs fold to 1/3 the open size, and come with PROMASTER's unique rigid carrying case that has the PLUS of an 18% gray panel to assist you in obtaining optimum white balance.