Product name: Bioethanol Sponge Material: fiber cotton Color: white Available sizes: 2 x 4.7 inch and 8 x 12 inch Package contents: 24 pieces of 2 x 4.7 inch sponges plus 5 pieces of 8 x 12 inch sponges Why choose this product Ready supply for indoor burners and projects: the value set contains many compact 2 x 4.7 inch sponges and larger 8 x 12 inch pieces, so you can stock a burner, try different designs, or keep replacement inserts on hand. Designed for temperature use: made from fiber cotton insulation to withstand elevated temperatures and support consistent fuel use in bioethanol burners. Longer burn performance: placing the fiber cotton core in the combustion chamber increases fuel contact time and extends the duration of the flame compared with empty chambers. Easy to and maintain: trim the sponge to fit your burner, position it in the burner chamber, add bioethanol fuel, and light. When needed, clean the sponge to restore performance. Key features Sizes included: 24 compact 2 x 4.7 inch pieces plus 5 larger 8 x 12 inch pieces to fit a variety of burner dimensions and project types. Material: fiber cotton provides stable structure and heat tolerance during use. Simple installation: cut to size, place in the burner, pour fuel, ignite. Low maintenance: designed for repeated use; clean and dry before reuse to maintain function. How to use 1. Trim a sponge to the burner chamber dimensions if required. 2. Place the fiber cotton sponge evenly in the burner. 3. Add the recommended amount of bioethanol fuel according to your burner instructions. 4. Ignite and monitor according to your burner guidance. Allow the sponge to cool before handling or cleaning. Practical applications Home indoor fireplace: or refresh existing inserts to maintain consistent burn and ambiance during gatherings or daily use. Tabletop or decorative burners: trim compact pieces to fit small burners used for dining tables, coffee tables, or display elements. DIY burner and craft projects: use larger 8 x 12 inch pieces to create custom burner inserts or to prototype alternative fuel chamber designs. Care and handling Clean the sponge as needed and allow it to dry fully before reuse. Follow the fuel and operational instructions for your specific burner model when filling and igniting. Store sponges in a dry place away from direct sunlight. This product provides a practical, fiber cotton insert option in two common sizes to support indoor bioethanol burners and creative projects.