"Grizzly Bear Committee test and was placed on its bear-resistant products list on July 31, 2014. That list is the one relied on by many, but not all, wilderness agencies, and restrictions may still apply"
Not bear proof :-) I believe this are not accepted in the Adirondacks of NY, at least they weren't the last time I hiked over there.But given their weight much easier to carry then a hardsided canister