PU Leather Warm Desk Pad is made of durable PU leather material, which can protect your table from scratches, stains, spills, heat, and bruises. The heating mouse pad complies with CE, FCC, and UL safety certifications. Fast Heat & Safety: Featuring carbon crystal material with excellent thermal conductivity, the desk pad delivers warmth within 5 seconds. The office desk mat meets US FCC and UL safety standards. Adjustable Temperature & Auto-Off: This heated mouse pad offers six adjustable temperature settings (35°C–60°C). An auto-shutoff function activates after 4 hours of continuous use, providing added safety if power is left on. Large Heating Area: The warm desk pad measures 31"x13" with up to 96% heating coverage and a comfortable linen-like texture. Warning: Do not place items that are not heat-resistant on the desk pad, such as laptops, mobile phones, or certain keyboards. Prolonged exposure to heat may damage devices placed on the mat. Please exercise caution during use.