1. Size: The inner diameter of the parrot leg band clip is about 8 millimeters. Please confirm whether the product size is suitable for your bird before placing an order. 2. Sufficient quantity: The package contains 100 chicken leg bands in a total of 10 colors, with each color having approximately the same quantity, as shown in the picture. These bird leg bands can help distinguish different breeds of birds. 3. Safe and durable materials: The bird leg bands are made of plastic, which is non - toxic and safe to use. They are quite durable, not easily broken, and have the characteristics of being resistant to cold, frost, and heat, and are unlikely to deform even after long - term use. 4. Conspicuous and easy to identify: These plastic pigeon leg bands make your birds easier to spot in the flock. They are helpful for marking and identifying bullying birds, egg - eating birds, and noisy birds. 5. Easy to use: The simple clip design makes it easy to install and remove on birds. These plastic bird leg bands can be used to distinguish different breeds of birds without any tools or scissors, and each clip can be reused to meet your needs.