Yes
You can bring anything you want as long as it does not block the view of the screen or the car path. I've seen everything from blankets to tents in the back of pickups. People are very creative when it comes to watching a movie with the family and trying to keep them warm.
Yes. My husband and I have a truck and we have a blow up mattress that we put in the bed.
Yes. You can bring pretty much anything you want to. Chairs, food, covers and I even saw someone with a blow up sofa. I was jealous. Lol.
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