Made from selected ingredients, including pure natural extracts. Handle the glasses with care. Do not use the candle if the glass is damaged or broken. Do not refill the glass with wax. When burning, make sure that the glass edge is level to avoid overheating. Let the candle burn until the whole surface is liquid. Blow out the candle carefully before placing the lid on the glass. Before relighting, shorten the wick to about 5 millimeters. Burn time: up to 15 hours.