I already knew the product, it does not fail
Difficult to spray as a fine mist. The nozzle gets clogged easily when not used for a while.
Quality stuff to keep your gear in tip top shape.
The clothes will be like new
I used cotton for impregnation. Good fire.
I think about the same myself, but apparently there is biodegradable polyurethane, which is used e.g. in medicine.
How can polyurethane be biodegradable?