Fall asleep and stay asleep with the ChiliPad™ microclimate thermostat control system. This system allows you to control the temperature of your bed like you do your home or your car for comfort. Temperature can be adjusted from 46°F up to 118°F, making the bed a temperature between 55°-110°F. Mattress pad is made from 150 thread count poly cotton material with polyester fill and medical grade silicone tubing. Machine washable using a front load machine. Dry on a low heat setting.