Helping you live a comfortable life with the power of camphor coal Biochar made from camphor chips has been made into a sachet. Please use it in places where you are concerned about odors. A set of 4 for refilling Kusunokan charcoal sachets. Please put it in a special sachet (bag) and use it. Please place it in your shoes, entrance, shoe box, toilet, closet, inside the car, and other places where you are concerned about odors. You can use this product as is. The deodorizing effect is about 6 months after use. If the effect wears off, replace it with a new one. After use, the charcoal inside can be mixed with the soil for gardening, fields, etc., and can also be used as a soil amendment. Charcoal powder may come out. Please be careful not to get it on your clothes.