Fit-to-size bags are great for high-volume applications. Just insert item, heat seal shut, and shrink with a heat gun. Pin hole in bag allows excess air to escape when shrinking. High-gloss, super-clear bags for high-end appearance. Protects against tampering, moisture, and dirt. Bags can be used to package diskettes or gift boxes. Not recommended for direct food contact. Call for details about custom printing , colors, more sizes, and styles. Use with our shrink packaging system or economy shrink packaging system .