These natural wormwood incense coils are perfect for meditation or yoga, perfect for use on patios, in tea rooms, workplaces, bedrooms, living rooms, temples, and yoga rooms, allowing natural aromatic characteristics to suffuse your immediate environment. Whether you purchase the incense coils that burn for two or four hours, you still get to enjoy the crispiness and sleep-enhancing qualities of the coils even after they have finished burning. Welcome to a world of better sleep, a calmer mind, and better-focused creativity. Each box delivers to you 40 perfect pieces of incense coils.