- Add a small piece of ceramic wool sponge to the burn chamber, and get up to 100% increase in fuel burning time. The wool acts as a sponge, gently letting out fuel vapor for ignition. - Fits almost all Tabletop Fire Pits, Table Top Firepit Bowls, Alcohol Tabletop Fireplaces such as Flammtal, TqsMsp, and more. - The ceramic fiber insulation blanket can withstand temperatures up to 2900 degrees Fahrenheit(1600℃), allowing long term usage at high temperatures. - Replacement wool wicks on the market are generally too thick to fit small fire pits, while this one has been tested to fit most alcohol fireplace burn chambers. - 4 Pcs, 12 x 8 x 1/5 inches. Cut the ceramic wool into the same shape as the original cotton core using scissors or a utility knife, and insert it into the burn chamber of the fire pit. - Use the wool sponge felt until it becomes black and dirty. Replace the sponge when the burn time begins to shorten, or as you see fit. Color: White Material: ceramic fiber Package Contents: 4 x Tabletop Fire Pit Ceramic Wool Wick