Black No. 02 Focus - Refreshing and invigorating, this scent is designed to improve concentration. Lemongrass stimulates body and mind while cloves enhance feelings. Notes of clove, lemongrass, peppermint, and geranium. Whereas the original collection of HA KO Paper Incense showcases one fragrance at a time, the scents used in this special offering were carefully selected and blended to promote relaxation, increase focus, and lull you into a deep sleep. Winner of the 2019 Good Design Award. How to use: After lighting a piece of HA KO Paper Incense, blow out the flame and place the smoldering leaf on a felt burner mat (sold separately), which should itself be on a flat, non-flammable surface. Each leaf will burn for approximately 5 - 7 minutes. Do not allow to burn unsupervised. Avoid placing in drafty areas or near any flammable materials.