Coors Field Plastic beverage containers. Soft-sided bags or containers 16"x 16"x 8" or smaller. Insulated cups or thermoses 22 ounces or smaller. Food items in individual portions. Any fruit or vegetable, grapefruit sized or smaller. Still and video cameras (see "Cameras") Binoculars. Seat cushions and bleacher back rests.
Yes, you can take your empty coffee cup.
The only thing they don't allow are glass and cans.
Yeah, you definitely can. I took my backpack yesterday. I had a water bottle and my coffee mug plus a few other things from riding the train.
If it's paper or plastic it is fine. Must have a cover on top.
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