Till now i used Boostersleeves that fit perfectly, unluckily Japanese is too long to get stored properly in that Protection Sleeves
For now i used a combination of standard Booster Sleeve and put it in a PSA-Card-Sleeve. Does the Job but i imagine there is a smarter and better way!?
If there is something that is exactly for this Japanese Boosters ( Gym for example) i would like to get a keyword so i know what i have to search for since i have no clue
I just double sleeve the packs from both sides, so the long stem is protected, too.
There seem to be more professional methods, but it’s a cost-efficient and sufficiently protective solution for me atm.
for even more protection, I first put my packs in the tarot sleeves as @muk noted, then put a toploader on each side of the pack, then put my “pack sandwich” into a team bag and seal it up