This is a three-pack of Phone Lanyard Tether Tabs from BlackRapid, designed to be used as lanyard holders for most smartphone/case combinations. They're designed to be used with WandeR wrist straps and phone lanyards. The Tether Tab is made of TPU-coated nylon. Each tab features a 3M double-sided tape that can be used should you want to. The tab easily attaches between your phone and case, and the lanyard loop comes out from the charging slot of the case.