Nikwax Hardshell Duo-Pack - The complete care system for thoroughly cleaning, enhancing water repellency, and revitalizing the breathability of wet weather clothing. Easy to use in your washing machine and by hand, non-flammable and PFC free. Tech Wash cleans, restores water repellency and revives breathability of your outdoor clothing and synthetic sleeping bags TX.Direct wash-in is an easy to use, high performance waterproofer which adds water repellency and revives breathability without the need for tumble drying Together they enhance the performance of your gear, and extend its useful life 300ml each