This is a Loctote Industrial Bag Company Cinch Pack from their early 2019 Indiegogo campaign.
This is a lockable, theft resistant (steel cable in the straps and cut/slash resistant fabric body) that I used a couple of times to secure stuff to my motorcycle, I last used it in April 2019, been in the gear closet ever since.
I was a 2016 Kickstarter supporter of Locktote's original Flak Sack (drawstring bag) then I bought their COALITION bag a year or so later, I'm still using the COALITION and it goes on all my trips.
So the Cinch Pack is no longer on the Locktote website, so here is the stats from the downloads at the time:
Capacity 26 liters
Weight 1179 grams
Interior Dimensions 20" x 13" x 16" "fits Macbook Pro 15 inch"
Fabric FLAKweave, leather and 200D nylon lining RIFD protection
From their site back then*:
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(1) completely surrounded by slash resistant fabric (not just certain panels), (2) stab proof seams, (3) Slash resistant straps, (4) locks shut, (5) locks (or quick clips) to any fixed object, (6) Does not look like an anti-theft bag.
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The mechanical lock is 3 digit owner programable, set at "000" for shipping, original reset instruction tag is included.
I generally locked it to the frame of my Ducati.
2 exterior "water bottle" pockets, exterior zippered document pocket, internal laptop sleeve and organizer panel.
I liked it, just not enough to replace my COALITION Flak Sack so the Cinch Pack needs a new home.
US$ 50 pickup or local Low Country meetup.