Environmentally friendly materialBird catch rings are made of durable and environmentally friendly plastic. The surface oxide film can ensure that the paint will not fall off, durable, anti-corrosive, easy to clean. Non-toxic and harmless to poultry. Marking functionBird bands can identify different types of birds. If the birds or chickens look alike, you can quickly identify them. You can use different colors to mark the rooster and the hen, then separate the incubators. It is a practical gadget. Easy to useThe spiral bird rings are easy to use. Just open it, place it on the bird's feet and tighten the ring. Solid and does not come off easily. Reusable for easy installation and removal. 10 Color Mix There are 10 colors of leg wraps, 100 in total, which will attract both pets and owners. Sufficient quantity to satisfy the needs of your farm. You can quickly identify the birds you know. Very convenient and time-saving. Wide ApplicationThe chicken leg ring is suitable for differentiating different species of animals, identifying poultry, birds, parrots, pigeons, quails, finches, chickens, etc. It can also be used to organize data cables, headphone cables and other items. Number of parts supplied: 100 Size: 8*7mm