When you don't have time to use Revivex Wash-In Water Repellent or Revivex Durable Water Repellent Spray, this instant DWR treatment is just the ticket.  This spray air dries quickly to provide immediate water repellency.  Perfect for nylon tents, jackets, boots, hats, waders and backpacks!  The formula is silicone and PFOA-free and safe on nylon, leather, suede, and waterproof breathable materials..