Bird foot ring split ringName: High quality bird clip ring Inner diameter: 2. 7mm, 3mm, 4mm, 4. 5mm, 5mm material: plastic Color: orange white pink yellow red green Packing: 100 pieces Foot ring size (inner diameter) 2. 7mm birds: Indian silver bird, African silver billed bird, red headed bird, gem bun, etc. 3mm birds: colorful canaries, ordinary bull bellied skulls, brown breasts, black canaries, birds with various organs 4. 0mm bird: color bird, acacia bird, ten sisters,