Material: PVC<br><br> Product Size: A5<br><br>Simple operation, press the two ends of the switch to open the loose leaf ring, pressing the ring can be closed after the installation of the paper or pocket; Ideal for diary, travel journal, business notebook,office,school,poetry work, creative writing,making sketches and drawings,Work records, study notes, mood diary. <br><br>Usage: Press down by hands, Press to open the binders, Insert the loose leaf paper or binder bags, Press to the middle to close the binders.