Sealline is another brand. The yellow one in my photo in my previous post is a Sealline.
https://www.seallinegear.com/packs-duffels
I met a couple in Iceland that decided that backpacking was not what they wanted to do, so they bought some really cheap folding bikes and decided to try that. I had an extra strap and gave it to them, but they needed more than a few straps. This was not the most stable option.
