4 Adhesive Tape Necklace Hangers.  Each has 12 Hooks and measures 1 x 8.5 inches.  It is Made of HDPE, which is a strong plastic and will last for years.  It comes with Adhesive tape on the back which will hold up to 13 ounces of weight.   If you do not want to use the tape, there are 2 nail holes on each end.  These work great on the back of doors or inside closet walls.  They help Display and keep your Necklaces Organized.