THERMOPAD Toes Warmers Instruction:THERMOPAD toes warmers are taken from the packaging. After the removal of the protective foil, the warmers are applied with the tackifying side to the socks (on top or below). It lasts some minutes till the warmers deploy their full heating power. You have comfortably warm feet for up to 6 hours. Technical data: Max. temperature: 45° C Average temperature: 37° C Heat effect: ca. 6 hrs Durability: several years Single-use article: non-reusable