Wristband

This character wears a wristband.

Wristbands are encircling strips worn on the wrist, made of any of a variety of materials depending on the purpose. The term can be used to refer to the bracelet-like band of a wristwatch, to the cuff or other part of a sleeve that covers the wrist, or to decorative or functional bands worn on the wrist for other reasons, such as lanyards.