In the flyer for our RV it says that the queen bed is 60x80. But, when I look at all of the Queen sheets on Camping World, they are 60x75. Is that so that the fitted sheet is real tight? I know ...
If the fitted sheet isn't as snug as you would like, pick up a set of "sheet straps" at Walmart, Bed, Bath & Beyond, etc. They're elastic straps that attach across the corners of the fitted sheet under the mattress, pulling out any slack. They also work well for using standard queen fitted sheets on a short queen mattress.