pigeon anklet $ 5.80 Commodity name: Simulation foot ring Inner diameter size: about 8 mm Outer diameter size: about 11.2 mm Product height: about 11 mm Product color: seven colors are available Precautions: The simulation ring cannot participate in the competition, it is only for training Product specification: 100pcs of red,100pcs of rose,100pcs of turmeric,100pcs of white,100pcs of green,100pcs of blue,100pcs of purple