Size Options: Choose between 10mm or 12mm plastic poultry leg bands designed to comfortably fit homing pigeons and adult birds of various species. Durable Plastic Construction: Made from high-grade reusable polymer material that withstands outdoor elements while maintaining visibility through vibrant red coloring. Numbered Identification System: Track flock management efficiently with 001-100 sequential numbering for age differentiation and breeding program organization across chickens, ducks, geese and pet birds. Tool-Free Installation: Clip-on design enables quick attachment/detachment without causing feather damage - lightweight 30g bands ensure unimpeded movement for poultry and aviary birds. Customer Support Commitment: Contact our UK-based team for replacement assistance or queries regarding these bird identification rings within your purchase guarantee period.