Long Lasting Insecticidal Nets (LLINs) are a type of mosquito net that has been treated with an insecticide to protect individuals from mosquito bites, thereby reducing the transmission of mosquito-borne diseases such as malaria. Unlike regular mosquito nets, LLINs are designed to retain their effective insecticidal properties for an extended period, typically 3 to 5 years, even after multiple washes.