Sunrise Packaging: DVD cases feature secure locking mechanism

The M-Lock hub helps ensure maximum protection for CD/DVD media. When being transported during shipping or carried around in everyday use, the M-Lock hub locks disc media securely. Cases are popular with libraries and other companies that require high-volume use and transportation protection.  Cases are available in black and clear, range from 3-8 disc capacity, and feature clear overlays and literature clips identical to regular DVD cases.