Gtechniq - Car Care Products - W2 Universal Cleaner Concentrate - 100 ml Description It's a non-acidic environmentally friendly cleaner. Can be used to clean fabric, engine bays, carpets, alloy wheels, walls, leather etc. Dilute between 20:1 and 2:1 depending on application. W2 follows Gtechniq's philosophy of only producing a product that Gtechniq is certain offers something unique to the market to the letter. The stains W2 can remove from fabric, walls, leather upholstery to name a few is astonishing. Once tried Gtechniq guarantee that you will have a lot more space in your garage and under your sink as you replace several products with W2! -