4 inch Caliper holster

Update: I ordered another one of these because I find the size of this handy. The one I just got has a proper case. My first one came in a plastic bag. Maybe you won't need this but for my first one, I sure did.

I have this little 4" digital caliper.
https://www.amazon.com/gp/product/B00X6UKXIA/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

It is very handy but the battery compartment likes to come open and hitting the buttons turns it on. In addition, this thing has some pretty sharp