Stretch 'N Dust Medium-Duty Cloths Are Ideal For Multipurpose Dusting. They Are Strong And Durable Yet Soft Enough For Delicate Surfaces. Low-Linting Cloths Are Made Of Viscose Fibers And Pre-Impregnated With Mineral Oil To Create A Dust-Catching, 3-D Structure. They Hold The Smallest Particles In The Treated Fabric.