To keep my SMD boxes dry and space-saving, I built stackable trays and a base that can be filled with silica gel. I'm using two types of containers.
Small cheap container from IKEA (3 trays):
https://www.ikea.com/de/de/p/ikea-365-vorratsbehaelter-mit-deckel-rechteckig-kunststoff-s69276807/
Bigger more expensive container from Lock&Lock (6 trays):
https://www.amazon.de/dp/B0013GCJ3Q/?smid=A2M2PEQ8EFJL9&tag=idealode-mp-pk-21&linkCode=asn&creative=6742&camp=1638&creativeASIN=B0013GCJ3Q&ascsubtag=2023-05-22_57fd74a7b859377e2961602aa1b040e1fb04f6a44f3562ad4177f281ed74e05e&th=1&psc=1
SMD boxes (1x1 type, there are also 3x1 and 3x2 types available which will fit)
https://www.amazon.de/SMD-Box-Elektronische-Komponenten-Mini-Aufbewahrungsbox/dp/B07PJR2N21/ref=sr_1_2_sspa?keywords=smd+boxen&qid=1684779579&sprefix=smd+boxeb%2Caps%2C85&sr=8-2-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&psc=1&smid=A30M26M0ZPFYDX
The author marked this model as their own original creation.