Recommended for technical clothing, synthetic sleeping bags, rain and ski jackets, GORE-TEX, Patagonia, The North Face, Columbia, and Arc'teryx. Water based, biodegradable, non-flammable, and contains no PFCs, VOCs, optical brighteners, or added scent. Restores water-repellency and revives breathability of waterproof garments. Details: Clean first with Nikwax Tech Wash for best results 300 ml/ 10 oz For use on all waterproof outerwear, such as rain and ski jackets, as well as synthetic sleeping bags Easy wash-in application; machine wash safe