MK, yes, they are washable. We don't eat a lot of iwadnsches, but when I have had one in there for a trip to the zoo, it didn't get stale. There is extra material that folds down and over to keep it fresh. Yes, Tupperware probably works just as well, but I like that I can just throw them in my purse when the kids are done with their snacks because they don't take up much room.
MK, yes, they are washable. We don't eat a lot of iwadnsches, but when I have had one in there for a trip to the zoo, it didn't get stale. There is extra material that folds down and over to keep it fresh. Yes, Tupperware probably works just as well, but I like that I can just throw them in my purse when the kids are done with their snacks because they don't take up much room.