Loud Dog Bell - The package includes 4 set dog bells for collar. There are 4 pieces of keyrings and 8 pieces of bronze bells. Each pair of bell has a stainless steel pendant key ring, which is very convenient for your pet to wear. The bell can make a loud, clear and pleasant sound when it is moved slightly. It is very suitable for training dogs or cats. Track Pets Effectively - Dogs and cats are sometimes very naughty, they will hide some places so that we can't find them for a while. But it they wearing this pet tracker bells, you could find them according to the voice and don't worry about your pets will lost when walking on the country road or entering the bushes. It is a useful tool to track pets. Besides, the bell ring also can help birds or other small animals to escape catching by dogs or cats. Cute Decoration - The cat bell is a retro bronze color, which is very textured. It can not only be used as a pet training tool but also as an cute ornament. The pets will give a lovely feeling, improve the pet's appearance and become more charming and beautiful with wearing the bells. Dog bells for collar is an excellent gift for your dog or cat, making your pets cute and beautiful in any occasion, catching more attention than other pets. High Quality - Dog bells are made of high quality iron material, which is sturdy, durable, wear-resistant, not easy to break and fade, anti-corrosion. Suitable for pets to wear all the day in outdoor daily life. With smooth chrome plating, can use for a long time. And the diameter of the dog bell is 22mm, the size of the hole is approx 3-4mm. Ideal for various types of keychains. Wide Application - The small bell can be used for your pets to wear, making your pets more charming and cute. But also can track them and prevent them from being lost. Besides, you can use them as a perfect choice for home decoration, holiday decoration, jewelry making, DIY crafts, wreaths, key ring pendants, etc. You can also give them as gifts to your friends who love pets. Your friends must be very happy when they receive this perfect gift.