What kind of string is zippo wick?

Zippo wick is a type of fibrous string made from cotton or a cotton blend, designed to be highly absorbent. It is used in Zippo lighters to draw lighter fluid from the reservoir to the flame, ensuring a consistent and reliable ignition. The wick is typically treated with a flame-retardant material to enhance safety and performance. Its durability allows for prolonged use, making it a crucial component in maintaining the lighter's functionality.