It allows you to narrow down your choices to a spray that safely protects more absorbent materials without altering their appearance. Jason Markk Repel Spray is an aqueous petroleum repellent-free formula that will create a breathable barrier against liquids and stains on suede, nubuck, nylon, canvas, cotton and knitwear. Before application, the material must be clean and dry; Hold the bottle vertically 15-20 cm from the surface and spray evenly, without oversaturation. The fine sprayer with continuous mode quickly covers larger areas and does not leave an odor or change in the structure of the material.