The listing, NIKWAX COTTON PROOF SAMPLE has ended.
Here I have a sample size (1 wash) Nikwax cotton proof wash in water proofing for cotton and poly cotton & canvas.
(From Nikwax site)
"Nikwax Cotton Proof™ has been specifically designed and optimized for breathable cotton, polycotton and canvas materials; it leaves a flexible water repellent treatment on individual fibers allowing moisture vapor to pass through, maintaining breathability, prolonging the life of gear and optimizing performance in wet weather.
Nikwax Cotton Proof™ is easy and quick to apply in a washing machine and ensures that the treatment goes right through the garment. The highly Durable Water Repellency (DWR) of Nikwax Cotton Proof™ develops on air drying. Therefore the need for tumble drying is removed, saving energy."
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