So convenient that I have two in my possession. Do not overfill the brim because they may open in your sac.A each color its function ... is when we filled them realize how good addresses worth of be retained and others discarded. A card is used for my loyalty cards in store, the other for cards of various and varied visits ... A third would soon welcome. Depending on their use, it is mandatory to have them all at the bottom of his bag. ..