Reddit reviews Door Window 2-pack Adjustable Energy Saving Under Door Draft Stopper (Brown)
We found 1 Reddit comments about Door Window 2-pack Adjustable Energy Saving Under Door Draft Stopper (Brown). Here are the top ones, ranked by their Reddit score.
I'd recommend something like this. Also, if smoke's getting out enough to fug up the whole place, they probably get a pretty bad draft in winter/ leak cool in the summer anyway.
And don't buy it for them, just suggest it to them. They need to be grownups too.