I finally was able to purchase/find some display cases (while keeping all my patches in Ziploc's inside an Amazon box throughout college 
) and was looking for some advice on preserving my patches.
So my questions are:
1) Should I be treating these with anything?
2) I have 2 different displays; one has foam as the background and the other has cloth. Can any of these cause any sort of deterioration?
3) In my knife display I placed silica packets inside to reduce moisture; would it be a good idea here as well?
Thanks!
Foam displays:
