Here at Walkers we've been making the nation's favourite snacks since 1948. It's really as simple as that. Proper snacking doesn't get better than this. Additives Made in a factory that also handles: WHEAT, GLUTEN, BARLEY, CELERY, MUSTARD, SOYA Allergic Information Made in a factory that also handles: WHEAT, GLUTEN, BARLEY, CELERY, MUSTARD, SOYA.