This coverlet contains inbuilt micro capsules of ethereal oil of citrus and eucalyptus. During sleep, by means of body movement and pressure, the capsules (the size of one capsule is like one molecule) break and release ethereal oils which keep away mosquitoes with their repulsive smell. A person can sleep peacefully and uninterruptedly without having bites or unpleasant itching. This collection of coverlets with its construction provides controlled reactions and long-term effects gently and pleasantly on human skin and the smell of citrus and eucalyptus makes the atmosphere comfortable, mosquitoes free and full of aromatherapy. To achieve a much better protection of human body, we strongly recommend acquirement of the corresponding quilt made of Anti-mosquito line textile.