Nikwax Cotton Proof is a wash-in waterproofing for cotton, poly-cotton and canvas. It adds water-repellency and revives breathability of your tents, awning or any garment made from cotton or poly-cotton. This easy to apply formula can be used in a washing machine or by hand.
Nikwax Cotton Proof can also prolong the life of your tent or awning and optimise the waterproof performance in wet weather. the wash-in waterproofing for cotton, poly-cotton and canvas, adds water-repellency and revives breathability.