✅【Environmentally friendly material】The bird clamp rings are made of durable and environmentally friendly plastic. The surface oxide film can ensure that the paint will not fall off, durable, anti-corrosion, easy to clean. Non-toxic and harmless to poultry. ✅【Marking Function】 Poultry tapes can identify different types of poultry. If the birds or chickens look alike, you can identify them quickly. You can use different colors to mark the rooster and the hen, then separate the hatcheries. It’s a handy gadget. ✅【Easy to Use】 Poultry spiral rings are easy to use. Just open it, place it on the bird’s legs and tighten the ring. Solid and not easy to fall off. Reusable for easy installation and removal. ✅ 【Wide Application】The leg ring for chickens is suitable for different animal species differentiation, identification of poultry, birds, parrots , pigeons, quails, finches, chickens, etc. It can also be used to organize data cables, headphone cables and other items.