1Made of quality paperboard material, safe and stable, not easy to deform. 2Mainly used for packing and displaying different kinds of earrings, practical for use. 3100pcs of cards are available for use, enough to satisfy your need. 4Insert the earring or ear stud into the appropriate earring hole, easy to operate. 5Light weight and in small size, easy to store and carry, an important tool to make your jewelry more exquisite.