Sponge foam has a plastic sheet on the bottom.It can support the handle well. The handle is made of solid wood. The wooden handle makes this sponge brush easy to use. The sponge brush head is made of high quality sponge material. Soft and tough. Does not harm the of the object. Foam brush set includes 48 pieces with 2 inch brush size. Can meet your different needs. These foam brushes have a wide range of uses. Can be used for touch-ups, crafts, painting, coloring and other applications. It can be used to touch up stain or polyester paint., Manufacturer: Akfldms