1.This cotton fiber wickle works best with paraffin and kerosene oil based lanterns 2.Provides a beautiful ambience for porch lighting camping and warm summer nights or just cozying up to a book in your family room. 3.This is a household necessity for emergency Lighting or power outages. 4.Can also supply a reasonable source of heat dependent upon the lantern. 5.Trim the wick to your desired length. Material: Cotton Diameter : 5/16 in / 8mm Long: 9.8 Feet/3 meters Package includes： 9.8 Feet x Oil Lamp Wicks