Waterproof sprayhttp://waterproofspray.co.uk/ SunArmor Water and Stain Protection can be applied to all fabric including delicate fabrics such as silks, cashmere, wool, canvas, linen and cotton chenille. Use SunArmor on upholstery, rugs, carpet, drapes, outdoor furniture, car upholstery, boat upholstery, coats, ski jackets, camping equipment and any fabric or fabric like surface.