TreeWear Natural incense sticks are safe and healthy. These are charcoal-free and are soaked in natural essential oils, making them the best stress-relievers. The incense sticks are made from upcycled waste flowers and 100% natural essential oils, hand-rolled by specially-abled and rural women. Each box contains 40 Incense Sticks. Each has a burning time of 40 - 45 minutes. Key Benefits Increase Calm And Focus Reduce Stress And Anxiety Aid Sleep And Fight Insomnia Complement A Yoga Or Meditation Practice Stimulate Creativity Purify Your Space Repel Mosquitos How To Use Hold the incense stick and light it at the thicker end. Allow the flame to burn for 10-15 seconds and the flame should extinguish by itself. Don't let the flame burn excessively as this will lead to wastage. Place it in an incense holder and allow it to burn naturally, purifying and uplifting the space around you Care Instructions Please rest the Incense sticks on a heat-resistant surface and ensure there is enough distance between the incense sticks and flammable objects like books or curtains. Avoid placing the incense unsecured around windy areas. Do not place lit incense sticks in small closed environments like cupboards or drawers. Keep out of reach of Children and Pets. This is a flammable object.