Several cans of Shenke Odourless Protection mosquito repellent spray. This product is designed to kill mosquitoes and other insects, offering 4 hours of protection. It is described as low irritant and suitable for children 12 months and older, with each can containing 100ml of product. Mosquito repellents come in various forms such as sprays, oils, creams, and patches. They work by emitting scents that mosquitoes dislike, such as citronella, rosemary, lemon balm, coffee, lavender, catnip, garlic, and eucalyptus. Some mosquito repellents use chemical ingredients to kill mosquitoes. While effective, some studies suggest that long-term use of mosquito repellents may have potential health risks.