It rolls up big, but the comfort is worth it.
I bought two of these mattresses to use for car camping and kayaking trips and have slept on them for two nights and they have been fantastic. When I first received them, they were a little difficult to inflate on their own and I had to use a vacuum to get them to fully inflate, but when I took them camping, no extra help was needed. They inflated on their own. I found them to be very comfortable to sleep on. Never had a leak. They also didn't make any noise when sleeping on them. My only complaint is that they are a little too big when rolled up, but for car camping, they are great. The extra size they take up is totally worth it because they are so comfortable to sleep on. It's a trade-off, but well worth it for me.