Saw this in a chip group this morning. Looks interesting as racks stack possibly "protecting" chips from squashing effect not to mention dust.
https://www.facebook.com/groups/casinochipcollecting/permalink/3135566720078100/?mibextid=Nif5oz
https://www.facebook.com/groups/casinochipcollecting/permalink/3135566720078100/?mibextid=Nif5oz