Premium Material PU leather is not easily damaged, protecting your privacy better than transparent plastic binding cover. Card slots and pockets inside can organize your cards, notes, cash, etc. The pen holder can hold the pen in place. .Convenient Design 5 card pockets can hold bank cards, ID cards, business cards or VIP cards. 1 pen loop, you can put a pen inside, bring you great convenience whenever you need a pen. And 1 big pocket, available in cash, bill, coupons. .Simple Operation Press both ends to open the rings, then add or remove the binding pockets, finally press the ring to close. It is very easy for you to design your own loose-leaf folder. .Flexible Use Each ring binder cover is designed with 6 pre-punched holes, so these binder envelopes can be arranged together using a laptop binder or used separately. .Widely Used Ring loose-leaf notebook is good for work diary and conference notebook, meeting journal, travel diary, business notebook, travel diary, even a gratitude journal. .