Colbert Packaging[Packaging?:DCP-H series packaging sample cutter plotter] Corp. announces MedLock, a secure unit dose package that combines a foil-laminated blister card locked within a tear-resistant formed paper[paper?:paper sample maker cutting machine] tray. Based on the company's patented BlisterGuard platform and said to deliver security and sustainability, MedLock features a patent-pending locking mechanism, resulting in a child-resistant, senior-friendly design. The blister card is designed to remain intact within the outer protective paper shell and lock back into place each time the package is closed.