I've had it on my car for a couple months and it's still going strong. I could see it lasting at least another month, maybe more. I've used only one other spray wax with comparable durability, which is optimum car wax, but it streaked like hell
well let's see how it goes long term - like I said, I have a trunk split with each product going...I easily get 2-3 months out of crystal seal...Ultima too...although that's a diff look...