noun
ID wristband; patient identification wristband
Wasei-eigo term used in medical and event settings for a wristband that displays a person's name or ID.
wasei-eigo (Japanese-coined English), from name band
入院時にネームバンドを着けられました。
I was given an ID wristband when I was admitted to the hospital.
イベント会場では、参加者全員にネームバンドが配られた。
At the event venue, all participants were given name wristbands.