3pcs Ceramic Wool Sponge Bio Ethanol Fireplace Fire Pit Safety Leak-Proof Combustion Ethanol Tabletop Smokeless Fires High-Density Ceramic Fiber. Made from high-density ceramic fiber with a high melting temperature, this fire pit safety bio fire product is specially designed for fireplaces, fire pit stoves, and gel burners. It provides a beautiful flame even at low levels and extends the life of your fireplace. Increased Safety. The composition of this fireplace sponge significantly increases the burning time, resulting in greater savings. In addition, it increases safety by preventing flare-ups and avoiding flame extinguishing when the fireplace or burner tips over. Leak-Proof Combustion Chamber. This product ensures a leak-proof combustion chamber, minimizing potential risks or accidents. Easy to Use. With its easy-to-use design, you can cut the fibers with scissors to fit your specific fireplace or burner. No complicated steps or tools are required. Versatile Size and Color. Available in two sizes (30*10*5CM, 30*10*2.5CM) and a classic white color, this calcium-magnesium-silicate fiber felt is suitable for a wide range of fireplaces and burners.