The '2-D' Shaped Ring Binder have special features like the 25mm distance in the ring that helps to store documents in bulk. It also has a paper gripper that locks the papers firmly thus providing extra protection. This file proves to be handy for bulk filling as it can hold up to 200 sheets of paper at one time. It is designed to stand firmly on the rack while storing it. This is A3 Sized Ring Binder to store expenses or vouchers for the Company or organization with Packet to store loose papers and a Business Card Holder.