3Pcs Ceramic Wool Sponge for Bioethanol Fireplace Firebox Safety Leakproof Combustion Ethanol Tabletop Smokeless Fires (30 * 10 * 15cm) High-density ceramic fiber Made of high-density ceramic fiber with a high melting temperature, this fireplace firebox safety bio fire product is designed for use in fireplaces, fireplace ovens, and gel burners. It provides a stable and attractive flame even at low fuel levels and helps extend the lifespan of the appliance. Enhanced safety The composition of this ceramic sponge increases burning time and improves safety by reducing flare-ups and helping prevent flame spillage if the fireplace or burner is accidentally tipped over. Leak-proof combustion chamber Designed to maintain a secure and leak-proof combustion chamber, this product helps minimize potential risks during operation. Easy to use Features a simple, tool-free design. The fiber material can be easily cut with scissors to fit various fireplace or burner models. Versatile size and color Available in multiple sizes (30*10*5cm, 30*10*2.5cm) and a classic white color, this calcium-magnesium-silicate fiber blanket is compatible with a wide range of ethanol fireplaces and burners.