Gator sanding screen is ideal for finishing drywall prior to painting, feathering of joint compounds and spackling and scuff sanding painted walls before applying new paint. The nylon open-mesh design allows sanding dust and debris to pass through, reducing clogging while the dual-sided grit doubles the life of the sheet, simply turn it over and you have a brand new sheet to sand with. This waterproof screen can also be rinsed with water and reused, extending the life of the screen.