This is a Matthews 12 x 12 ft, grommeted Silent Gridcloth, to fit any Matthews, or other brand or make frame. 12'x12' Butterflies measure approximately 11.8 x 11.8 ft.
Matthews fabrics are tested for even light distribution in a black chamber with an incandescent light source at one end and the fabric positioned 2/3 of the way between the source and the digital light meter.
Best suited for outdoor video, or cinematography, when the rustling sound of fabric in the wind is unacceptable.
For heavy softening of sunlight, or studio fixture output.