A plastic bag and a can of self expanding foam.
Bag will keep the foam from sticking and is cheap enough to cut out and toss in the trash when done.
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping