SHOE COVER CONDUCTIVE POLYPROPYLENE 300 Pair per Case The conductive cover has a carbon strip sewn on the bottom. One end is then tucked into the shoe. This helps eliminate the hazards of static electricity when used in conjunction with a static controlled floor. Call us at 888-270-0458 for product information, availability and pricing. Or simply Contact Innotech Products and let us know your specific requirements. We will promptly respond to your request.