Are you sure you're not mixing wing bands up with zip ties?
https://www.ketchummfg.com/livestock-identification-tags-metal-plastic/poultry-leg-bands-wing-bands/?gclid=Cj0KCQjw1ZeUBhDyARIsAOzAqQLm_Raj1BoWAq7J6fwC1WUTkZBFXPR25KCEc_ZfKrBjbtJwRUemFa0aAi-HEALw_wcB