[dorian-graph]

What kind of case or holder do you use for your SIM cards? While I'm not at 15+, I have a couple.

[jfaat]

I roll them up in a sticky note and store it in my passport holder.

[fyfy18]

I use an metal MicroSD card holder, Nano-SIMs fit pretty snugly:

https://ae01.alicdn.com/kf/HTB1huE_KpXXXXa1XFXXq6xXFXXXc/Alu...

[B1FF_PSUVM]

A piece of tape works fine.