Ungu 100 Pcs Dia 6mm Ring Clip Kaki Burung Merpati Dara Bird Band Foot Ring Leg Pigeon with Numbers - SKU 2.007.0277 - 03972 Purple Name: Bird Foot Ring With Numbers Material: High Quality Plastic Inner Diameter: 6 mm Width: 7 mm Numbered: 001-100 It is made of environmentally friendly PP material, there are 10 color options. Notice: The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors.