Heated throw blanket has ETL and FCC certifications, overheating protection, and 0.5-4 hour timed automatic shutdown in case you forget. Built-in high-quality heating wire, heating quickly. The U-shaped coil structure can distribute heat evenly, and can also prevent short circuits and overheating, effectively avoiding safety problems. Made of 280gsm flannel + 200gsm sherpa and high-quality heating elements, the electric throw blanket creates a soft, luxurious feel, providing a cozy and comfortable sleeping experience, allowing you to stay cozy and warm even on the coldest winter nights. With 6 fast heating settings(85°F - 110°F) controlled by one button and 0.5-4 hours auto-off, the electric blankets are designed to be energy efficient, using minimal energy while still providing effective warmth. This makes them an eco-friendly choice for those who want to reduce their carbon footprint. The controller cord is detachable. Please take off the controller cord before washing. The electric heated blankets can be machine washed, making them easy to maintain and keep clean over time. to keep the heated blanket being its best, we recommend air-drying or low-temperature drying, and do not plug in until it's completely dry. ETL certified for quality. If you have any questions or concerns about the blanket, please reach out to our customer service. We provide a 24-hour online customer service who can reply to your questions at any time.