INCREASED BURN TIME - 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.PERFECT FIT FOR - Almost all Tabletop Fire Pits, Table Top Firepit Bowls, Alcohol Tabletop Fireplaces such as , , , Flammtal, , TqsMsp, and more.HEAT RESISTANT - The ceramic fiber insulation blanket can withstand temperatures up to 2900 degrees Fahrenheit(1600) giving long term usage at high temperatures.RIGHT THICKNESS - Replacement wool wicks on the market are generally too thick to fit small fire pits, while this one has been tested by us to fit most alcohol fireplace' burn .DIY DIMENSIONS - 4 Pcs 12 x 8 x 1/5 inches, using a scissors/utility knife, cut the ceramic wool into the same shape with reference to the original cotton core and insert it into the burn chamber of the fire pit. HOW OFTEN IS IT REPLACED - 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: WhiteMaterial: ceramic fiberPackage Contents:4 x Tabletop Fire Pit Ceramic Wool WickOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.