PU Leather: The warm desk pad is made of durable PU leather material, which protects your desk from scratches, stains, spills, heat, and scuffs. Safety Certification: The heating mouse pad meets CE, FCC, UL Certified, features 3 level temperature settings, 40, 45, 50, warm your winter. Sedentary Reminder: Every hour of using the heating pad, the orange light will cycle flash seven times which can remind you to have a rest. This heating pad will automatically shut down after 4 hours of the boot. Best Gift for Family and Friends: This desk heating pad can be used as a table mat and foot warmer to help you through the cold winter and farewell to cold fingersthe perfect gift for Christmas, Thanksgiving, and New Year for your family, friend, girlfriend, and wife. ATTENTION: When the warm desk pad is working, please do not place anything easily ignited or damaged, such as laptops, batteries, mobile phones, etc. Or some other equipment that will affect the function and other things that cannot withstand high temperatures for a long time.