They call it gauze.

Hey, there's some gauze in the bathroom.

Other supplies such as surgical gauze, cotton, surgical cotton batting, gauze bandages, nebulizers, laboratory reagents, surgical gloves and urine collection bags.

A sixth feature was the assailants apos sophisticated use of locations and camouflage the shooters rarely exposed themselves some appeared to flit from window to window a number of the gun barrels that could be seen were covered with a greenish gauze.