 But they don't really need to be a hard cover because they're made out of a soft plastic. So if the power goes out and this thing deflates, it's not going to hurt the car. It's definitely not going to hurt it like rain or hail would. So it's just going to sit there on the car. So all the ones I've seen, I've had no problem with any of them. The one that I've seen, the most complaints I've seen when I look at reviews on these,