I’m an operating engineer and got this to use daily for work. It’s small enough that on smaller machines I’m not stressed trying to find a spot for it, while still having enough space to carry my large battery pack, a couple tools, equipment keys, some snacks, and a drink or two. I use the strap often to secure it to my machine if I don’t have my bungee and it works out very well. I’ve only had it for a bit but the quality makes me feel like this will last a long time!
Used it for travel once so far as well, super convenient at the airport and comfortable to wear! Highly recommend. Gifted one to my mom and she now uses it for work and loves it too.