I have a nice 3 finger for everyday use, but when I need something more durable, I have an old army first aid kit that has a waterproof seal that I put some foam from a pelican case. It has enough pressure it holds the sticks but not crush them. The case is also water proof and crush proof. Add a Boveda pack and I can carry 5 or 6 into any environment. Also, it was free. Not exactly expandable, but the tension from the foam makes it work for any size cigar without it banging around