You can have a binder per subject and keep all of your notes and homework and assignments in a safe place. Can accommodate an array of paper sizes. Split rings attached to a back hold the perforated sheets of paper Suitable for School and Office Use. Available Ring Binder:
1 Set Ring binder
19mm = 300pcs/box 32mm = 100pcs/box 38mm = 60pcs/box 50mm = 40pcs/box 60mm = 30pcs/box 75mm = 15pcs/box