Material: 100% Cotton Width: 1/2 inch, 3/4 inch and 7/8 inch Length: approx. 2 m/ 6.5 feet of each roll Package includes: 1 x 1/2 Inch oil lamp wick 1 x 3/4 Inch oil lamp wick 1 x 7/8 Inch oil lamp wick Safe material: The flat cotton wick are made of reliable material which ensures that the wick burns safely and reliably, safe to use and can last for a long time. Warm tips: please soak the wick in the oil for a good half-hour to saturate the wick before lighting to avoid smoking and flickering, Remember to put out the lamp when you leave, and keep them away from children Good service you get: your satisfaction is our priority, contact us if you have any question, we will try our best to solve any problem you meet.