About this item NO Durable & Good-Quality: Crafted from thorium-free rayon, these lantern mantles feature a robust 3-layer mesh construction. They are designed for durability, offering reliable, long-lasting performance without breaking easily. Easy Installation: To install, detach the glass and cover from your lantern. Insert the mantle into the wick holder, twist the metal shelf into place, then light the bottom of the mantle and let the flame burn upwards. Finally, replace the glass cover to complete the setup. Versatile Use: These mantles are compatible with most gas lamps, making them perfect for outdoor activities such as camping, hiking, fishing, and traveling. Important Safety Notes: After use, the mantles may turn white, which indicates they are fragile and could easily break. Handle with care to ensure longevity.