Green C4 manila internal mail envelopes. It's pre-printed with name, date and location labels on both front and back. They can be reused many times, so are a budget friendly choice.
Use them to send bulky paperwork, printed materials and memos within your office. Designed to deliver internal mail economically and efficiently.
The ungummed flap can be tucked in to keep everything in place.
Generous pack size of 250 will last a long time.