The Nikwax Tech Wash & TX.Direct Reproofer kit contains both the Nikwax detergent used ot clean breathable waterproof jackets as well as the TX.Direct reproofer. Its used as a 2 stage process to wash and then restore your waterproof jackets including Gore-tex. Everything you need to restore your water repellency on your items.Nikwax is safe to use with any waterproof items and is recommended to be used once every year depending on how often you use it. The green bottle cleans the garment of oil and salt preparing it for proofing while the purple bottle reproofs any waterproof items.FeaturesTech Wash has been specifically designed and optimized for breathable waterproof fabricsNikwax is environmentally friendly; it is non-hazardous, Water Based and biodegradableTX Direct Wash-In has been specifically designed and optimized for breathable waterproof garments; it leaves a flexible water repellent treatment on individual fibers allowing moisture vapor to pass through, maintaining breathabilityUse Nikwax Tech Wash and Reproofer in a washing machineYou can reproof up to two items at a time and typically get 4 separate washes out of one pack