Nikwax Tech Wash prolongs the life of gear and optimises outdoor performance but maintains breathability and original water-repellence. This is easy to apply - can be used in a washing machine, is suitable for use on all fabrics, including technical textiles, lifts out dirt that can attract water and hinder water-repellent finishes; unlike detergents, it does not leave behind water-attractive residues which encourage wetting-out, it removes detergent residues left behind by previous washes, is water-based - environmentally friendly, biodegradable, non-flammable, non-hazardous. Available in different sizes.