This our elegant tabletop fireplace is made of a stainless steel base and tempered glass walls on either side. It provides a warm, glowing flame that dance and swirls to set an elegant ambience as a dining table centerpiece indoors or out. At maximum capacity, this burner's flame lasts approximately 200-240 minutes. It must will leave your guests a deep impression. And this fireplace is eco-friendly, and ventless that burns ethanol fireplace fuel. Notice:Please do not add ethanol during the burning process and if you need to put out the flame halfway, be sure to use the accessory fire cover