The material and mosquito net of the AMAZONAS MOSKITO-TRAVELLER EXTREME are impregnated with the insect repellent of TANATEX. This impregnation provides lasting protection against flying insects such as mosquitoes and biting midges as well as against crawling insects such as ticks, ants, cockroaches and mites, which will not even sit on the material or the net. Despite this the impregnation has been proven to be completely safe for humans. It is also kind to the skin, odourless, heat-resistant and washable (up to fifty washes).