Control the temperature of your bed with Climsom air-conditioned mattress toppers, to a degree close to 15 to 48°C! Universal, they fit on all bedding. Easy to install and use Contains: - a PVC mattress topper for 1 person for periods of heat waves or heat waves - a cotton mattress topper for periods of cool to moderate temperatures - a thermocontroller and its remote control to choose the desired temperature - instructions for use and installation More than 10 years of existence and a growing demand due in particular to the heat waves. Designed in collaboration with a phlebologist and the subject of a study at the Sleep and Vigilance Center of the Hôtel-Dieu. Packaging: - 1 box with cotton mattress top+thermocontroller 35x35x35cm - 1 brown box with PVC mattress topper