Safety Guarantee: The intelligent electronic constant temperature control system is designed to cut off the power after 45 minutes of use to prevent users from being burned and improve safety. Rapid Heating: Using warm fleece fabric, the S-shaped curve car heating blanket heats evenly and quickly. It can be folded and stored in the suitcase or back seat without taking up too much space. Warm Companion: Suitable for many occasions, such as travel, camping, RV or roadside emergency. Do not machine wash.