Fits/feels like neoprene, but they say it's 'ballistic nylon' ?. https://www.amazon.com/gp/product/B07B3RSZDX/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
I have a non-daily driver as well. A couple notes here:
https://www.jeepgladiatorforum.com/forum/threads/ess-dual-battery-system-operation.44028/post-874004
Yes, that graph was with engine off maintainer on. Below is maintainer off for 2 weeks, as you can see, there is a gradual creep downward despite several driving events. It would be interesting to see the data from a true 'daily driver'.