2 pack Fragrant Paper Scent Bursts are warmer refills made of natural recyclable paper infused with pure fragrance. With its patented delivery system, Scent Bursts quickly fragrance the room and create a long-lasting, higher quality fragrance that stays more consistent in strength over time. Scent Bursts can be used with any electric wax warmer. You can mix and match to create your own fragrance. Pour 1/3 of the bottle into any electric wax warmer. Turn on the unit, and enjoy immediate scent.