I have a 35' Newmar Class A and am shopping for the BEST tire covers, I've owned the vinyl type that attach with velcro in the back but found them to be a pain to connect the Velcro especially in acclimate weather or surface conditions, ie; mud, dirt or rain. Looking at the Snap Ring  type and have only found one company so far that had a nice product which is Covercraft with lot's of good reviews. Problem being they are 4 weeks before manufacture plus shipping time of at least another week. The