A convenient pack of just what you necessity to keep your favorite jacket clean and functioning like new, the Nikwax Tech Wash/ TX Direct Wash In Twin Pack contains a non-detergent soap which can be used regularly to clean clothing and equipment without damaging the Durable H2O Repellent (DWR) coatings and a wash-in H2Oproofing for wet weather clothing, adding H2O-repellency and reviving breathability to fabrics without wicking liners.