Made of precision cast metal in chrome Fireflow is a cute 24cm (9.5 in) tall and looks great in groups. No dangling lead means Fireflow works brilliantly in the middle of a table or even in the garden on still evenings. Warm-up is quick; light the candle and 20 minutes later the unique Mathmos formulation starts to flow in tandem with the flicker of the candlelight. Both will last for the life of the tea light, around 3 hours. Three tea lights are included and Fireflow works with readily available standard tea lights.. Features -. Weight: 0.525kg. Product size: height 240mm. Light: 3 Tea lights (included). Power: Tea light (included). Materials: Cast zinc alloy base and bottle cap with chrome finish - Glass bottle - Mathmos lava formula. Colour:  Blue With Yellow Lava. More Info -. Fireflow can be used for 3 hours at any one time; the average burn time for one tea light.