$315 for recycled milk jugs

$315 for recycled milk jugs, originally uploaded by Bill in Ash Vegas.

These nice, inviting, colorful chairs sit outside a hearth/home store in Arden, NC. The color on an overcast day drew my eye.
As I used to make similar chairs, the construction intrigued me.
The material was obviously some kind of plastic, which the man told me was recycled milk jugs.
The price?
$315
I am not sure where this material is available, but it can't be that expensive.
I may have found a market niche.