[dbtc]

If they were flexible enough to be collapsed then shipping and storage would be significantly cheaper than bottled water too.

[Bill_Dimm]

It's been done (not $0.25, though): http://grrrltraveler.com/top-packing-tips/vapur-water-bottle...

[therealdrag0]

Good point. I've had a couple Platepuses for a while, but I hate to clean them. Would be nice to have a cheap recyclable solution for on the go when you forget your normal bottle.