The Night Lights, created by luxury candle house Cire Trudon, are designed to be used in the base of La Promeneuse, the stunning glass cameo burner. The night light will heat and melt the scented cameo, allowing it to release its exquisite fragrance. With a burn time of approximately eight hours, each night light can be lit for one single session or multiple sessions. Details: Box contains 4 x night lights Material : Vegetal wax Burn time: 8 hours per night light