i use this:

https://www.amazon.com/-/de/Keter-236758-Cantilever-Organizer-Black/dp/B07DZQCS7H/ref=mp_s_a_1_5?dchild=1&keywords=cantilever&qid=1591517268&sprefix=cantil&sr=8-5

to carry the basegame, c&k and seafarers stuff all with 5&6 player extensions around