Well if you can use a sheet in your house why not on your van? 

Now this is a smart Bubba who knows how to hide repairs and match tape.  A+

Oh yeah this should hold for a while with out leaking.

So how many HOHO's, Ding Dongs, Pork Rins, fat back and bacon does it take to do this? 

"headache rack wrapped in camo duct tape with KC lights on top deer antlers on the grill an atv winch welded to the frame and of course a breather sitting...

Seems safe for a kids area.