These soft, flexible foam brushes are ideal for the application of oil based products, like General Finishes Gel Stains, or as an artistic tool for feathering or softening of glazes and paints. Designed for one use when using oil based products or sticky mediums such as Leaf and Foil Size. Can be rinsed and reused a couple times with water based products such as Chalk Paint™. Not recommended to use in place of a bristle brush when painting furniture.