Do I need to fold it back up each time I...
Do I need to fold it back up each time I use it or can I stuff it in the stuff sack without damaging it? I plan on using it everyday for a week or so and stuffing it would be much more convinient..
I just stuff it and it just fine
Former Adventure Medical rep here. As Guy says, stuffing the bivy is fine.
NOT FINE - Just unpacked mine (for a wilderness med demo fortunately) and the plastic/foil interface had separated leaving thin plastic on one side and all the reflective foil on the other. Also tore a bit... Maybe they 'go bad' after a season or two? I was surprised.