Rubber band prevents accidental opening when carrying a notebook or notebook. But if you use the elastic band alone, you can get loose or misplaced. The new clip band is convenient for those situations, with an elastic band with a clip that can be securely attached to the back cover of your notebook or notebook. Available in 3 colors that are easy to match with a variety of designs. Available in two sizes A6 and B6. How about customizing your favorite notebook or notebook to a band specification?