It has several advantages:
Order! If you love system and order, like I do, and love to have a great overview when choosing, then it is really brilliant, just look:
And if you are afraid of burglary, you can place it in your book shelves where it will blend in with all your other books. And if you are going on a holiday, it is easy to bring with you. There is room for about 40 pairs of earrings.