Nikwax Tech Wash is a wash-in cleaner for waterproof clothing and equipment that safely revitalises breathability and water-repellency The product is a non-detergent soap which can be used regularly to clean clothing ad equipment without damaging the Durable Water Repellent DWR coatings Use the product instead of detergents or washing powder to safely remove grime dirt and stains from the fabric It is recommended to periodically further wash the garment with a product such as Nikwax TX Direct This will help re-waterproof the fabric However each treatment should be washed in seperately and not on the same wash Treatments are best placed in a wahing ball in the machine though it can be applied direct to fabric messy or in the machine drawer Recommended for Gore-Tex SympaTex Permatex eVENT and Nikwax Analogy Please note this product cannot be shipped overseas