This is what I got for my shop. Two items fit side-by-side in each pocket, and you can stack them 2 deep with no issues. The shop is 90 degrees turned (pages flip up/down, as opposed to left/right) but that's no problem.

https://www.amazon.com/gp/product/B0741MS5X2/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1