Post-Modern Grammar

Thanks to Jeff for this gem:

Click image to enlarge.

"Here's one from a spaghetti box I bought yesterday.The recycling label says, 'This box contains 50% recycled post-consumer material.'

"Considering that the box looked as though it contained spaghetti, this statement worried me. But it's possible that they meant, 'This box is made from 50% recycled post-consumer material.'

"I'd still like to know what that material is. What are post-consumers made of anyway?"