Mail Parcel Box Hangtag

The parcel box keys accidentally get lost in our mail or where ever else at my office building. I've used less durable solutions and I'm tired of rebuying them when it wears out. It is sized to be smaller than a regular first class envelope.

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/d4dTOSEIkWj