Where to buy Blanket wall type insulation for an unframed room? I have a small unframed room surrounded by my basement that wishes...

I have a small unframed room surrounded by my basement that wishes insulation. I don't want to frame the room in instruct to use the standard "roll" type insulation. I've seen insulation i.e. basically a blanket that can be used to staple directly into the wall eliminating the necessitate to frame the room. My question is where on earth in the world can I purchase nearly 30 feet of this stuff? I've search the internet from top to bottom with no luck. Home depot and other home restoration stores do not carry what I'm looking for.

Any assistance will be greatly appreciated.
So I own this shoebox that I put...
Answers:    Have you thought about using 'solid' insulation that you can in recent times glue to the wall?
That might be a better choice for your project.