Features: Good quality golden component, durability, consist of environmental protecting component, safe. Light weight and portable, not affect pet activity, personality pet bells. Easy to install, suitable for various pet collars. Loud and crisps ringtone, convenient for tracking the location of pet. Pet owners who love their pet and value personality decoration. Pet raising families who hopes to improve pet safety. Add personality decorations to pet during daily dog walks, pet gatherings, or photo shoot. Specifications: Color:Five Elections Bells outer diameter: 2.1cm/0.82in Keychains outer diameter: 3cm/1.18in Component:Brasses Package Includes: 4pcs Cats Collar Bells note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.