All the soy-blend candles are available in a 9-ounce, American-made glass jar. To preserve the life of the fragrance, FF use tight-fitting glass lids. These candles have a cotton braided zinc core wick; also, they are highly scented with a premium fragrance to be long-lasting. Love the fragrance? You will find most of your favorite fragrances in a 16-ounce American-made glass jar as well. These candles have an average burn time of 40-55 hours for the small size and 75-100 hours for the large size.