Office Supplies which you may need
Don't staple documents when you send to USCIS. They scan your documents and attach to your case so better use paper clips or binders.
Use binder clip (smallest 0.6-inch clip)
or use this paper clip
You may want to put documents set in a transperent folder and send.
or use this documents folder
You can also use this documents paper folder
You can also use sticky notes on documents set.
You may also need marker pens