Item Type: Pigeons Leg Rings_x000D_ Material: Plastic_x000D_ Color: As shown in the picture_x000D_ Product Size: Approx. 13x12x5mm / 0.51x0.47x0.20in_x000D_ Mouth Diameter: Approx.8mm / 0.31in_x000D_ Quantity: 100pcs/bag_x000D_ Weight: Approx. 20g / 0.7oz_x000D_ Application: Suitable for pigeons identification and marking 1Used to identify pigeons, through these signs, you can easily identify your pigeons. 2Easy to use, reusable, easy to install and disassemble, easy to clean. 3With this foot ring, you can also know pigeons of different ages in the same dovecot. 4The foot ring is compact in size, lightweight, and will not affect the movement of the pigeons. 5Made of high quality plastic, cold resistant, very durable and not easy to break. 100 x Pigeons Leg Rings 1. Please allow 1?2mm error due to manual measurement. Thanks for your understanding._x000D_ 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.