In the Josh + Babish sourdough vid, they recommend these Weck jars... they're awesome.
Weck jars. Just don't use rubber seal / clips.
Like this: https://smile.amazon.com/Weck-743-Mold-Jar-Box/dp/B00GT2ADYG/
It's what I use and I got the idea from http://www.theperfectloaf.com