Keep light from flaring into your lens when using your speedlight as a background or hair light. Our Speed Gobo attaches quickly with a Speed Strap (required, not included, see below). Reversable, tough ballistic-type black nylon on one side, white polymer on the other so you can also use as a bounce card. Buy 2 for a great barndoor setup. 4" x 7.5" Honl Photo