These great fireglow fireplace briquettes provide environmentally friendly heat. Fireglow fireplace briquettes are ideal when you come home from the bitter cold and need to heat up as quickly as possible to warm up your home. With fireglow fireplace briquettes, this is clean and easy. Simply place a fireglow fireplace briquette in its packaging on the base of your fireplace or patio heater and light the packaging. The fireplace briquette burns evenly for up to two hours, which is plenty of time to create a fire. Made from pressed wax and sawdust a fireplace briquette provides heat for over two hours.