... ,Sand very homogeneous 3,size and color can be customized Sponge sanding block1)General dimension:100x70x25mm,140x114x5mm,125x100x10mm,125x100(70)x25mm125 x ... 25mm2) Coated material: Aluminum Oxide and Silicon Carbide3) Density of sponge: low, middle and high··4) For polishing furniture,paint,kitchen ... etc.5) special size can be produced according to customer Sponge sanding block