Profoto 66" Extra Large Umbrella Back Panel, Fits 65" Extra Large Clear Umbrellas, White Indoor, Black Outdoor

The Extra Large Backpanel is an optional accessory for Profoto's translucent umbrellas The Backpanel is a fabric that is white on the inside and black on the outside You attach it to the umbrella like the diffuser in other words such as a shower cap with elastic band The result of using the Backpanel is that there will be no light leakage backwards which can affect the light quality on the subject Also because there is less light leakage backwards ts will be more light come thought the umbrella and on the subject Hence it can be a good tool when having limited power on the flash unit