Description:1.Dry wet sandpaper features silicon carbide abrasives mounted on flexible, waterproof paper, good for creating a consistent, smooth, finish.2.Sandpaper can be used by hand or for machine sanding.3.Each sheet is durably resin bonded onto a waterproof paper to make sure paper backing flexible and soft, which leads a good fit to your hand or machine.4.Use for both wet and dry sanding.5.Sandpaper sheets can be used with water, varnish, shellac, lacquer, or oil.