Nikwax TX.Direct is a high performance waterproofer for all waterproof/breathable clothing. Ideal for brands such as GORE-TEX, Hestra and Kinco gloves, and Blundstone boots. Water based, biodegradable, non-flammable, and contains no PFCs, VOCs, optical brighteners, or added scent. Details: Clean first with Nikwax Tech Wash for best results 500 ml/ 16.9 oz Spray-on application For use on all waterproof outerwear, such as rain and ski jackets, as well as synthetic sleeping bags