A:AnswerIt's very durable. My daughter is taller than most kids her age (5'1") and had blast jumping and bouncing with no problems. It's comes with a storage bag which is about the size of your average duffel bag. I can't recall the measurements but I did post pictures with my initial review if that helps.
A:AnswerI usually set it up in my backyard in grass but I have also set it up in my living room when it's raining and no problems at all so i do not see it been a problem in the garage
A:AnswerI think the term is Oxford cloth for inflatables. If you ever bought one of those blow up water slides, it’s the same material as that. Very durable.