Customize your documents by personalizing the insertion sleeves on the outer faces. This allows you to present a work document, report, or other documents in a professional and neat manner. This black 23-ring presentation binder is ideal for storing your documents.* Product features;* 2 outer insertion sleeves for customization* Spine width of 44cm* 20mm, 23 O-rings * Capacity; 180 A4 sheets (80 g/m²)