3Pcs Ceramic Wool Sponge Bioethanol Fire Firplace Firebox Safety Leakproof Combustion Ethanol Tabletop Smokeless Fires High-density ceramic fibreMade of high-density ceramic fibre with a high melting temperature, this fireplace firebox safety bio fire product is specifically designed for fireplaces, fireplace ovens, and gel burners. It provides a beautiful flame even at low levels and extends the lifespan of the fireplace. Enhanced safetyThe composition of this fireplace sponge significantly increases the burning time, resulting in greater savings. Moreover, it enhances safety by preventing flare-ups and avoiding the release of flame when the fireplace or burner is tipped over. Leak-proof combustion chamberThis product ensures a leak-proof combustion chamber, minimizing any potential risks or accidents. Easy to useWith its easy-to-use design, you can cut the fibers with scissors to fit your specific fireplace or burner. No complicated steps or tools required. Versatile size and colorAvailable in two sizes (30*10*5CM, 30*10*2.5CM) and a classic white color, this calcium-magnesium-silicate fibres blanket is suitable for a wide range of fireplaces and burners.