Turn any cotton into a plastic-coated, waterproof material with a thin, iron-on vinyl that can be found in most major fabric retail shops. for sewing lunch bags, laundry totes, or lining bags that may get messy and need a quick wipe.
How to Waterproof Fabric. Whether you've purchased a new tent or want to protect the canvas cover on your boat, you will want to waterproof fabric to extend its luster and lifespan. This article will teach you how to waterproof fabric.