Nikwax Down Wash/Down Proof Clean Proof Twin Pack Features: Sopping wet, grimy and matted feathers are for the birds. NikWax Down Wash/Down Proof twin pack gives you a pair of products to keep your down gear clean and cozy. The wash-in cleaner renews the down while the wash-in protective coating offers a fresh layer of water-proofing after six washes. Specifications: Cleaning and waterproofing together in a twin pack for your Down products. Safely cleans Down, one of natures wonder materials. Adds water-repellency to down and shell fabrics of down filled clothing and sleeping bags. Easy wash in application 100% Water based and Biodegradeable. Contains NO flourocarbons/VOCs