Just a few teaspoons of these Citronella Granules is enough to refresh your home. Why not use outside on a warm summers night to keep those bugs away! Ideal for Oil Burners, even scenting letters, useful on ashtrays to combat tobacco smell, and for fragrancing and decorating plates. With eye-catching colours, you can choose any to fit your room decor! Simply place in the oil burner reservoir and relax. No water needed. You can use these as ashtray refreshers, or to generally fragrance any room.