... PU foam sponge:PU foam Sponge factory,our company mainly produce the natural sponge and pva sponge, many kinds of furniture foam,sofa foam.Products are ... , decorating, straining, cleaning and others.Feature:(1) Material: Sponge,foam,PU. It is an environmental protection material.(2) The product ... (Any sizes can be produced.)(3) The product is black. (various colors can be produced)(4) Density: 18~24kg ...