Retention Jacket allows you to retain information safely and securely. Offers the intelligent choice for vital documents, photos, slides, negatives, computer media and criminal evidence. Keeps items of varied sizes neatly organized in one easy-to-find place. The 3/4″ expansion allows more room as materials are added. Score line for simple conversion from letter-size to legal-size. Predrilled to attach instantly to fasteners in letter-size or legal-size fastener folders. No need to punch documents.