Jason Markk Repel creates a durable, breathable barrier that effectively repels liquids and stains. It’s water-based formula is safe to use on all materials like suede, nubuck, leather, nylon, canvas and more. The continuous spray covers large areas quickly and evenly in all directions. With the smart, re-usable head and convenient refill features added in, Repel is much more environmentally friendly than hazardous aerosols.