HilandHVD Heavy Duty Waterproof Tabletop Heater Cover-39

Will this adequately cover a dura heat propane heater? I'm not able to find one specific to that particular heater.

So far, cover i'm shopping none cover the bottom to prevent rust stains on my pavers. imo, only reason to get cover. no pics of the bottom. does this?

Is this machine washable?

Does the heater sit inside this cover when stored so that It is entirely protected from dirt, etc., even the bottom?