1.The materials: silicon carbide. 2.The size: 230mm*280mm. 3.The delivery time: about 20 days. Product Name:waterproof abrasive paperTechnics:electrostatic strewingBacking:A/C weight paperBond:epoxy resinAbrasive:silicon carbideApplications:The paper is primarily intended for sanding and polishing automobile,furniture,leather,cases of electrical household applicances,and mechanical components.Features: 

                         a.Grinding in water brings high degree of surface finish for the workpieces

                         b.No pollution is caused by dust free operation.   

                         c.Sharp grinding is expected with the grains strewed electrostatically

waterproof sandpaper