Ortlieb Bikepacking. The Velcro straps of the Cockpit-pack grab the top tube and the main tube (or, if you will, the seat tube and top tube) to keep snacks, a phone, compact camera etc. close at hand.
Sturdy structure stays in form even when the bag is empty
Spray proof zipper
Waterproof material and sealed seams
Made in Germany
5 year guarantee