But there are custom mattress sizes out there, too, including full XL, RV queen, RV king, Texas king, Wyoming king, Alaskan king, and more.

Most mattresses usually come in twin to Cal king, with some brands offering more unusual sizes (such as RV king or short queen). While a king mattress tends to be large enough for most people ...

The Dreamfoam Essential mattress is a budget-friendly, all-foam bed-in-a-box that's available in an enormous range of sizes, including RV sizes. The all-foam design is basic and it's not the most ...