... high density soft cloth. 2.fills light from various angles, the light is soft and without reflecting. 3.Usually suitable for ... .4.With 4 pcs background drops (black, white, red, blue)The advantage of this product: 1 . Resolve shadow, reflection point, interference ... lamps, an external Flash also can be used. 4 . Can replace the 4 color background cloth, white, blue, red, black four background ...