The queen size is right in the middle of the king and twin sizes, and most of the air mattress reviews you will find below will happily suit a couple. They are generally larger than the average double.
This type of airbed is also perfect for those of you that sleep alone when you’re not at home but want a bit more space to move around in. Do bear in mind however: the length. If you’re on the taller side, you may want to have a look at some of the King Size reviews I’ve included on my website.