NATURAL INGREDIENTS: Our Mosquito Repellent Incense Sticks are made with Citronella, Lemongrass and Rosemary plant based essential oils. DEET FREE — Our Repellent Incense sticks are completely DEET FREE. OUTDOOR MOSQUITO PROTECTION: Each one of our MINI Incense repellent sticks can stay lit for about 45 mins (wind may impact burn time) so you can enjoy your time outdoors. OPTIMAL PLACEMENT OF STICKS: We recommend customers place four or five incense sticks to create a perimeter around a patio or deck, spaced 12-15 feet apart. We recommend that you keep the sticks as low to the ground as possible. PERFECT FOR ANY OUTDOOR ACTIVITY: Ideal mosquito protection while outdoors: whether at home on the patio, deck or backyard; at the park, beach, or pool deck; while camping, fishing or enjoying any other outdoor events.