I just checked the fit of a truck cover in a medium flat rate box.  Nice fit, to help hold down shipping expense.  So if you have an extra 292/312 car cover to unload, please let me know .

Mike, located in the Siskiyou mountains, Southern, OR 292 powered 1946 Ford 1/2 ton, '62 Mercury Meteor, '55 Country Squire (parting out), '64 Falcon, '54 Ford 600 tractor.