PackZen’s expertise in flexible high-frequency welding and ultrasonic welding capabilities make completely customized vinyl and polypropylene products an efficient cost-effective possibility.  The division is perhaps known best, though, for its versatile custom binder choices for businesses of all sizes and it’s Safety-sleeve disc packaging. PackZen’s “Create Your Own Binder” UniKeep brand allows customers to personalize plastic 3-ring case binders in bulk quantities, making affordable custom binders accessible for company manuals, seminars, promotions, and press kits.