What is the name of the brand.
They’re made by different manufacturers, I think, but here’s an eBay search
https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1313&_nkw=aluminum+iphone+case+gorilla&_sacat=0&_odkw=aluminum+iphone+case&_osacat=0