Redweld® offers a broad range of filing products that all come with the guarantee of excellence in quality and service that customers have come to expect for more than half a century. Over 70 years ago Redweld® was introduced, a premium category of expanding pockets and envelopes. Today’s Redweld® Expanding Pockets and Envelopes are the strongest, most durable filing products in the marketplace, offering unmatched protection.