Agree with EMD360 that the PermaPro is best. It is much less bulky and lighter which is great for getting it in place. Has straps and click snaps at all tie down points.
Most important is whether your mirrors can be rotated to fold. If non-folding you need a cover with triple zippers where the mirrors are. Without the triple zippers you will not be able to secure the cover properly.
Bought it on Amazon for a good price but it will probably be shipped FedEx Ground from Washington.
Using it on a Jayco Melbourne 26 foot and the 26 to 29 model fits well.
Bob