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, and UL certifications, featuring 3 temperature settings: 40C, 45C, and 50C, to warm your winter. Sedentary Reminder: Every hour of using the heating pad, the orange light will flash seven times to remind you to take a rest. This heating pad will automatically shut down after 4 hours of use. 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 say farewell to cold fingers. It makes a perfect gift for Christmas, Thanksgiving, and New Year for your family, friends, girlfriend, or 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 other equipment that cannot withstand high temperatures for a long time.