Box Of 25Made Of Tight Nylon Mesh With Elastic TopUse To Strain All Types Of Paints, Stains And LiquidsRemoves Dried Flakes, Skins, Lumps, Filaments And Other Dust Particles From PaintElastic Top To Fit Tightly And Keep Strainer In Place On A 5 Gallon ContainerComes In a Dispenser Box To Keep Strainers Safe Until Ready To Use