Inflatable sofa bed is good, inflatable sofa bed how to buy?
Not good, do not suggest you buy, I bought a gas leak last time, especially easy to leak.
If you buy a sofa, do not hit so full of gas, come up first hit 7 or so, a week later to say inappropriate, the bed is better, laying things on the top, if you lay thin, winter may feel a bit cold under the body.