Nantucket Spider Mosquito and Fly Repelling Outdoor Garden Incense Sticks are beautifully crafted and naturally scented with the perfect blend of steam-distilled or cold pressed essential oils. The incense sticks use sawdust for its base, making them easy to light and stay lit, and each provides over 90 minutes of protection from insects. They’re also easy to extinguish and can be re-lit to be used for future occasions. Sun and Sand scented mosquito repellent incense sticks have a slightly lemony fragrance when lit. These sticks contains essential oils of citronella, clove, cedarwood, peppermint, rosemary, and lemongrass.