Feature: 1. The homing pigeons foot rings using highquality plastic material and is very durable. 2. With 001100 labels, it is mainly used to identify pigeons and other birds. 3. Easily identify your pigeons, track different aged pigeons mixed within the same coop. 4. Suitable for homing pigeons or most adult birds to facilitate bird management. 5. Reusable, easy to install and disassemble, light weight, comfortable to wear. Specification: Item Type: Bird Foot Rings Material: Plastic Size: Approx. 10x7mm / 0.4x0.3in (DxH) Weight: Approx. 28g / 1oz Quantity: 100Pcs Suitable Birds: Homing pigeons or most adult birds Package List: 100 x Bird Foot Rings Note: 1. Please allow 01 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.