The freen-p 2.7mm 1-100 Numbered Clip snap Plastic Bird Ring Leg Bands Parrot Finch Canary Grouped 100pcs Pink is a great way to keep your birds separated. These plastic rings are simple to apply and easy to remove and re-use, and they can be used to keep different breeds of birds apart or to mark suspected cockerels. The size of these rings is 2.7 millimeters (1 inch) wide and 3 inches (10 cm) long, and they come in five colors.