Check the listing for details. Nikwax Hardshell Cleaning & Waterproofing DUO-Pack. Color: None, Condition: New. Listed at 31.44 USD. Thank you for visiting our ebay store! Nikwax Hardshell DUO-Pack Cleaner and Waterproofing is all you need to maintain the performance of your technical outerwear. Contains two 10oz bottles. - Tech Wash and TX. Direct packaged together to clean and waterproof your technical outerwear - Soap based cleaner and wash-in waterproofing for synthetic waterproof clothing, insulated garments, and sleeping bags - Restores water repellency and maintains breathability - Recommended for technical clothing, synthetic sleeping bags, rain and ski jackets, GORE-TEX, Patagonia, North Face, Columbia, and Arc'teryx - Water based, biodegradable, and contains no PFCs, VOCs, optical brighteners, or added scentNikwax Hardshell Cleaning & Waterproofing DUO-Pack