tearstrip

noun

1. A strip of material designed to be torn to open a package.

   “[…] a ridge portion on the lower end of the cap engages a rib on the container so that the cap cannot be removed without tearing off a tearstrip formed by the ridge and the lower portion of the cap skirt.”

   “A mechanism which can be fitted on to any existing L-sealer or sleeve-sealer shrinkwrapping unit can be used to incorporate a coloured tearstrip to facilitate easier pack opening.”