Brand: MUJI (Muji) Set of 7. - Type: Ring binder - Color: Transparent - Ring diameter: 20mm - Size: A4 compatible - Material: Polypropylene Metal ring binder. Capacity: Approximately 130 loose-leaf sheets, approximately 50 refillable clear pockets. Two of the seven binders show some scratches from use (the ones on the right and left in the photo). The others are almost like new. Thank you for looking.