Aetter ETHER "above the clouds, a light azul breeze blows with the clear fresh air, cleansing the atmosphere" our incense is made from the finest perfume oils and essential oils contains 40 scented incense stick approx. length 21cm burn time approx. 45 mins per stick 18g e how to use - light the tip of the incense stick until it flames, then carefully blow out the flame. place the incense in a suitable holder on a level, non-flammable or delicate surface. keep away from children, pets and flammable objects. never leave burning incense unattended our boxes use FSC®-certified cardboard and water-based glue. the boxes are produced in Denmark.