I have a 2014 Winnebago Sightseer with a king size bed. Because of the slide-out, the top third raises up for transport. It has the inflatable mattress for each side. I'm looking to replace it with a ...
Any upholstery shop can custom make a foam mattress to any size that you want. They can also order a specific type of foam for your comfort. We also had them make a zip on mattress cover to keep things clean. Very inexpensive compared to buying a standard mattress at a bedding center.