【Reusable Material】: Poultry Foot Rings are made of ABS and are reusable, ensuring they remain intact and safe for long term use 【Numbered Bands】: Chicken Leg Rings are all uniquely numbered, allowing you to easily track ducks, chicks, chickens, guinea pigs, geese, cockfighting , turkeys and other poultry. Bright colors enhance visibility and are easy to identify 【Clip Design】: Poultry Leg Bands feature a user friendly clip design that allows for secure fastening without causing discomfort or harm to your poultry. They are easy to install and remove without any tools 【Set】: Chicken Identification Bands includes 100 leg bands in five different colors (20 per color) 【Widely Used】: Chicken Identification Bands is widely used and suitable for most common chicken breeds weighing between 0.5 kg and 2.5 kg well as ducklings and similar sized birds Size Chart:1.6cmx1cm/0.63inchx0.39inch Package Includes: 100 Mixed Colors Poultry Foot Rings  Note: Please allow slightly errors due to manual measurement and different monitors.