Shock indicator Protect-A-Pak is one of the world’s most popular single-use, low-cost impact indicators. Provides a visual indication that hidden damage may have occurred. Promotes accountability among handlers throughout the transportation chain. Can be mounted to a surface via self-adhesive or flush mounted with a mounting flange. Helps confirm the effectiveness of packaging. When used with alert labels, a Protect-A-Pak reduces the incidence of damage by raising awareness that the package is being monitored.