Product: Rain-X 5071268-4PK Glass Cleaner + Rain Repellent, 23 oz. (Pack of 4)
Brand: Rain-X
Fast and easy to use – just spray on and wipe away with no buffing required
Cleans automotive glass streak-free
Repels rain by causing water to bead up and roll away
Pack of 4

Search query: waterproof windshield spray
Relevance: Substitute