Hello
I depot my NARS e/s. You can check out my profile on MUA. I use the Trish McEvoy Large and Petite pages. The large size fits around 11 duos and the petite fits 3 duos. Large size fits around 12 singles and the petite fits 3 singles.
However...I feel like these are okay for home use, but not so great for traveling. I dropped one of the petite pages and shattered 2 e/s.
I know I'm not supposed to drop them, but, I felt like they would have lived if they were in their original casing.
Anyway! I also recently switched to using MAC 15 pans with the insert taken out. I put a thin layer of magnet (business card magnets) on the bottom and the NARS pans stick to that. The NARS pans also stick to the Trish pages on their own too. The MAC 15 pan fits 152duos PERFECTLY. One of the girls on MUA has it in her profile. While this is better in terms of sturdy wise...I feel like it isn't great for travel either.
I have a Trish deluxe dual decker palette case that is good for traveling, although...I wish I just left my NARS e/s in their original casings for the ones I carry around with me. I would say, depot the ones you don't use much and then leave the ones you carry with you in the cases!
Sorry so long, hopefully it helps.