Don't think it's exactly what you want, but it reminds me of apidura's mussette: https://www.apidura.com/shop/packable-musette/
I like mine a lot, use it for everyday stuff too. Stitches on one of the straps started to give, but my mum fixed that :)
Thanks I actually have a few things like this that rusjan made for me from dyneema. But they're not quote right for the job spec. As you, I use them a lot for every day.
@skinny started
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Don't think it's exactly what you want, but it reminds me of apidura's mussette: https://www.apidura.com/shop/packable-musette/
I like mine a lot, use it for everyday stuff too. Stitches on one of the straps started to give, but my mum fixed that :)