Got three pair of jeans that you can't part with? Japanese sofa maker NOyes will turn them into Ottomans. It seems a lot more personal than turning them into insulation.
The process evidently takes three weeks and costs ¥36,720 ($400) which seems like a lot. (But remember the impact of purchasing power parity)
However, as C-Scout notes,
when an otherwise ordinary furniture manufacturer takes up this sort of project it shows the extent to which the idea of re-using materials (and eco-friendly lifestyle in general) has entered the mainstream psyche.