a zipper is helpful. https://www.llbean.com/llb/shop/117935?page=hunters-tote-bag-zip-top-with-shoulder-strap&bc=50-516672-677&feat=677-GN3&csp=a&attrValue_0=35080&pos=8

Good bag. https://portcanvas.com/products/duffer-cruiser

If I’m ever missing… https://www.bmwmotorcycles.com/en/models/adventure/r1250gsadventure.html