We are now on our second Coleman comfort bed as the first one sustained a puncture and we were too lazy to repair it! The best thing about this airbed is that you pump each side up individually. This prevents the 'sinking into the middle' effect that normally happens after a couple of days. It also means that you can inflate each side to your individual needs (softer on one side for example).
The last time we used our airbed, we needed to top it up halfway through the week but that was all - we use an electric pump though so it's not exactly hard work! The other thing I like about this airbed is that it is flat, i.e. no raised pillow bit so you can use your own pillows more comfortably.
The only disadvantage to this airbed is that it's quite difficult to get it back into it's little bag, and the little bag with our first Coleman split during the effort.
All in all if space is not an issue for you when camping, in my opinion you can't go too far wrong with this air bed.
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