These necklace holders are made of high quality acrylic material with 12 hooks. Two necklace hangers included in each package. Sizes: length: 13.6 Inch, Hight 1.4 Inch, thickness: 0.12 Inch, each hook is 0.6" long and spaced 0.4" apart, giving you plenty of room between necklace hooks to hang thicker jewelry. The design of the crystal ball shape makes the necklace hanger knobs shiny and sparkling when reflecting the light and the color of jewelry. These necklace holders are suitable for various decoration styles, very durable, and can also play a decorative role. This is an excellent acrylic jewelry organizer necklace that can highlight jewelry and make it more refined. It can store necklaces, bracelets, keys, headbands, rings, etc These necklace holders solve the problem of how to deal with the entanglement of your necklaces.These little strips just stick right on the wall of a cubbby shelf in your closet and your necklaces hanging straight without getting all tangled and also it make them quickly visible so you can see all of them there at once and get what you need.