How to Choose My Own Brand Domain?

I'm an amazon seller and have my own yoga mat brand - Pinklily
And now I plant to build my yoga mat product website.
I meet trouble in the first - I need a good domain.

I have a reliable yoga mat supplier, their domain is yogamatmanufacturer.com
Product name + factory, or product name + supplier, maybe a good idea for attracting customers
But in fact, I'm just a small brand retailer.

So I got stuck.
I have three options: