The Arri Scrim Bag Model SB-2 holds round wire scrims measuring from 6-5/8" to 7-3/4". This is the best way to transport your Scrims to and from set. The strap on the Arri Scrim Bag Model SB-2 hooks conveniently to a C-Stand for easy access to your scrims. This allows you to try out different scrims so you can get the perfect lighting for your scene..The Arri Scrim Bag Model SB-2 scrim bag is manufactured of durable canvas, right here in Burbank California. One year warranty.