There are a lot of handlebar bags out there, some great, some dubious, but none match the design and functionality of the Routewerks Handlebar Bag System. Perfect for roadies, gravel cyclists, cyclotourists, e-bikers, and commuters.
Canada-wide purchasing here https://www.bikebike.ca/go-shopping/p/routewerks-handlebar-bag-system?rq=routewerks