Crisp and Loud Sounds: Dogs or cats are known to love catching small animals like birds in the wild; these dog collar bells can make a loud and clear sound when your dog or cat moves, alerting the birds to fly away. Strong and Durable Material: Our bells clips are made of quality brass and rings are made of 304 stainless steel, the surface is plated smooth, tough and corrosion resistant, not easy to break, and the sound is clear and pleasant. 7 Styles: The pet bells include Cherry, Panda, Frog and Strawberry. White, pink, purple, green, red and sakuras pink color. They are beautiful cat and dog accessories! Easy to Use: The bell is easy to wear, small and portable. Always remind you of your dog's location so you can take care of your pet. Rest assured, the sound of the bell will not damage your pet's hearing. Package Include: The package includes 14pcs 4 styles Pet Bells for Dog Cat Collar. The dog collar bells are about 18-23mm length, 18-21mm wide. Different color bells can be clamped on any small ring at will, and can be clamped on some thicker ring when used with a key chain.