“Preferred product characteristics” (PPCs) are key tools to incentivize and guide the development of urgently needed health products. Some of the vector control interventions deployed in complex emergencies and in response to natural disasters – namely insecticide-treated nets (ITNs) and indoor residual spraying (IRS) – have already met identified public health needs in more stable settings; other tools such as insecticide-treated tarpaulins have been specifically designed for this use case. Given the diverse mix of existing and potential new interventions and the considerable gaps in the associated evidence base, this PPC aims to clearly articulate the unmet public health needs for tools designed to control malaria transmission in complex emergencies and in response to natural disasters.