Negative reviews by ignorance ?! Before you should with the material Rock Paper beschäftigen.zu extremely ecological values is a great advantage, it is a paper that the application by material properties is vorgibt.steinpapier heat resistant, flame retardant, waterproof, only with special. Method printable, does not yellow, bottom heat deformable and is not zoxisch.zudem just completely recyclable (but unfortunately the German industry is not on a, so it please do not belong in paper & cardboard ton! (It's compostable, burns without pollutants, disintegrates after 6-9 months in decomposition process and the resulting lime can be completely reprocessed again.) So most likely still in the brown bin ..