Fun Musical Notes Slide Charm for Dog and Cat Collars will add fun and whimsy to your pet's personalized collar. You be the designer and make a one of a kind creation for your pet by collecting slide charms for different occasions....or different pet "moods". New Musical Notes Slide Charm has shimmering diamond rhinestones in a rodium base (will not tarnish) and is nickle and lead free. Size is 10MM and will fit any of our Leather Cat Collars or Slider Dog Collars. Free Shipping Inside the USA!