We offer ls black mosquito coils smokeless ls's somkeless formula, same effectiveness, no irritating mosquitos, no irritating smoke. directions read these directions with care, and use the coils accordingly. Use in ventilated place, pay attention on electric and fire safety. Harmful to fishes and silkworms. Precaution avoid oral contact with the coils, be especially careful when children are involved. Intentional misuse by deliberately concentrating and inhaling the volatile could be harmful or fatal. Discontinue use the coils if experience any adverse or allergic reaction. Move to well ventilated area and consult a doctor if needed. storage and transportation store in a dry & ventilated place. Do not expose to temperature exceeding 50℃. Keep away from direct sunlight. Keep away from food, drinks, crops, seeds and so on. Keep out of reach of children. Keep away from flammable materials & sources of ignition. Avoid exposing to sun or rain, handle with care when trans, loading, unloading. effective ingredient: active effective ingredient content:0.26% rich-d-trans allethrin:0.25% tetra flumethrin:0.01% fragrance: sandalwood maximum production capacity: 5000ctn/day