They're "Interchangeable" allowing you to change your necklace design everyday. Pendant easily attaches and detaches to available Stainless Steel or Leather Necklaces. Choose a chain you love and start attaching. Once your Pendant is inserted into the circular toggle it won't come out until you take it out. Below are a variety of different Pendants. Pearls, Gemstones, Handmade Lampwork Beads, Swarovski Crystals, Tibetan Pewter. Enjoy viewing Unique Beaded Necklaces.