Extra Loud Cat and Dog Bells: Each cat bell contains a stainless steel clapper designed to produce a loud, clear sound with minimal movement, making it ideal for training cats and dogs. Easy to Track Your Pet: These dog collar bells allow you to quickly locate your pets. You can have peace of mind when walking on rural roads or through bushes without worrying about losing them. Reliable Material: Made from high-quality copper, these pet tracker bells are resistant to wear and rust, even when exposed to outdoor elements, ensuring long-lasting performance for pets' outdoor activities. Size Information: Each pet tracking bell measures approximately 0.87 inches in diameter, suitable for most small, medium, and large pets. Each set includes 2 bells, which can be used on separate pets if desired. Practical Gifts: These cat collar bells feature a cute design and practical function, making them great gifts for pet owners. The clear ringing sound helps alert birds and other animals to the presence of cats and dogs, potentially reducing the chance of wildlife encounters.