Feature: 1. Poultry leg rings, light weight, suitable for homing pigeons or most adult birds. 2. With 001-100 label, it can be used to identify pigeons and is easy to install and remove. 3. It can identify your pigeons and track different aged pigeons mixed within the same coop. 4. They are reusable, easy to and use, and facilitate to manage for birds. 5. Made of high-quality plastic materials, and long-lasting, wear-resistant. Spec: Item Type: Pigeons Foot Material: Plastic Weight: Approx. 22g 0.8oz Size: Approx. 8x5mm 0.3×0.2in (DxH) Quantity: 100Pcs Suitable Birds: Homing pigeons or most adult birds Package List: 100 x Pigeons Foot Note: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.Poultry leg rings, light weight, suitable for homing pigeons or most adult birds. It can identify your pigeons and track different aged pigeons mixed within the same coop. They are reusable, easy to and use, and facilitate to manage for birds. Made of high-quality plastic materials, and long-lasting, wear-resistant. With 001-100 label, it can be used to identify pigeons and is easy to install and remove.