What kind of strap is this?

I was browsing YouTube and saw this guy showcasing his watch's bronze patina over the time he's had it, but what caught my attention was the strap he had it on.

Is anyone familiar with what this type of strap is called? Bonus if people could tell me where I can buy one here in the Philippines ๐Ÿ˜…

Video here: https://youtube.com/shorts/elJdRW9UHAY?si=g5I_xYwHbRn8bXex

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ยท

Like a two piece ribbed cotton thing?

ยท

Just search Nylon strap. Also AliExpress has plenty of straps

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