I have a bunch of these Sterilite Industrial totes, and I'm very impressed with them. Even the holes for padlocks have a lip on the lid that goes into the hole on the tub so water doesn't get in. I've left them out in a hard rain overnight and they did not leak at all. I don't know how they would fare strapped to the roof at 70mph, but they'd be fine in a truck bed. Not as thick or sturdy as Pelican cases and the like, but I've sat on them and they hold me just fine (I'm 6 '0", 200#). I like how they are pretty square vs tapered, and they stack well too.
Best of all, they're cheap... $10 and $13!
http://m.target.com/s?searchTerm=st...category=0|All|matchallpartial|all categories
Best of all, they're cheap... $10 and $13!
http://m.target.com/s?searchTerm=st...category=0|All|matchallpartial|all categories