PU LeatherWarm Desk Pad is made of durable PU leather material, which can protect your table from scratches, stains, spills, heat and bruises. Security certification. The heating mouse pad complies with CE, FCC, UL certification. Fast Heat & SafteyUse the carbon crystal material with excellent thermal conductivity, you can feel the warmth in 5 seconds.And Office desk mat complies with the US FCC and UL safety certification. Adjustable Temperature & Auto-Off This heated mouse pad can freely adjust 6 levels of temperature (45-50-55-60-35-40). The auto-off function is triggered when you use it continuously for 4 hours, so you don't have to worry about forgetting to turn off the power. Large Heating AreaThe Size of Warm Desk Pad:31"x13", heating coverage up to 96%, comfortable linen texture. WarningDo not place anything that is not resistant to high temperature on the table mat, such as laptops, mobile phones, some keyboards, etc. Prolonged heat can damage what you put on your desk mat. Please pay attention