wristband
nounUK /ˈrɪstbænd/
US /ˈrɪstbænd/
A wristband is a band you wear around your wrist.
She wore a bright yellow wristband to the concert.
OTHER MEANINGS
2. A band worn around the wrist to identify the wearer or grant admission.
Everyone at the event had to show their wristband at the gate.
3. A sweat-absorbing band worn on the wrist during sports.
He wiped his forehead with his wristband after the run.
4. A band worn on the wrist for medical reasons, such as showing allergies.
The hospital gave her a wristband with her name and details.