Here's what other sites are saying:
Nothing looks as rugged or durably handsome as your waxed cotton or canvas rucksack, jacket, or pants. With Wax Cotton Proof from Nikwax, you can rejuvenate the waterproofing of that old gear with only a few sprays of the bottle.
Prolonging the life and water repellency of your cotton, heavy-duty canvas, or poly-cotton fabrics, Nikwax Cotton Proof is an easy to apply wash-in or paint-on treatment. This water based treatment is environmentally friendly, biodegradable, non-flammable, non hazardous, and contains no fluorocarbons. Applications can be used on wet fabric, inhibits rotting of canvas, and will not affect the cosmetic appearance. It works great on everything from barn coats and duffel bags to outdoor clothing and tents.
- Altrec Outlet