The core of this kerosene lamp is very resistant to burning. It is composed of many groups of thick wires. It is very durable and can be used for a long time. It is a very useful kerosene lamp accessory. You can use the stove wick to save kerosene, and it is very suitable for heating in winter and outdoor camping in summer. And it is very easy to replace, the operation is very convenient, it will burn all the time. It is constructed of pure cotton material. The stove core is available in 5 sizes for you to choose from. This stove wick is suitable for kerosene stove heating. Item Name: Stove Wick Material: Pure Cotton Features: Easy to Operate, Durable, Resistance to Burning Size Details: Size XS: 17.5cm x 6.5cm/6.89" x 2.56" (Approx.) Size S: 19cm x 7.5cm/7.48" x 2.95" (Approx.) Size M: 18.5cm x 8.5cm/7.28" x 3.35" (Approx.) Size L: 18cm x 9.5cm/7.09" x 3.74" (Approx.) Size XL: 19cm x 12cm/7.48" x 4.72" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Stove Wick