Bell jar In addition to making your candle a beautiful decorative piece, these transparent bell jars allow you to capture the candle’s scent after it is extinguished. 3 formats are available. The "Large" and "medium" size works best for the 10.5 oz candles and the "small" size is for the 3.oz candle.Scented candle sold separately. Choose a size Large $18 Medium $15 Small $10 Add to cart Special instructions For best results, do not burn for more than three hours at a time. When using for the first time, allow the candle to burn for at least an hour. Cut the wick before each use to prevent the candle from smoking. Never leave a burning candle unattended and keep it away from flammable objects.