Rain-X Pro Cerami-X Glass Cleaner + Water Repellent is easy to use, just spray on and wipe off. Cerami-X Glass Cleaner + Water Repellent provides a streak-free clean every time. Rain-X Pro top-of-the-line hydrophobicity and proprietary HydrophobiX Technology provides unrivalled water beading and optimal driving visibility. Rain-X Pro Cerami-X Glass Cleaner + Water Repellent protects against environmental elements and chemical contaminants, maintaining your windshields’ clarity for longer. Cerami-X Glass Cleaner + Water Repellent provides ample visibility and extreme durability: up to 6 weeks of long-lasting water repellency. One application goes a long way.