Feature 1、Warm Sleeping Pad: 5 zone heating sleeping pad, large heating area, support 3 level temperature adjustment, easy switching, warm and comfortable, allowing you to enjoy warmth in the cold season. 2、Quick Heating: Adopts carbon fiber metal heating wire for quick heating speed, anti pulling, not easy to break or deform, high temperature and washable. 3、Long Endurance: With 5V USB plug, compatible with most power banks or chargers on the market. Insert 10000mAh power banks(not included), it can continue to heat up for 5-9 hours. 4、Thick Cotton: Made of pleated thick cotton, comfortable and skin friendly, with cotton inside, which has better thermal insulation effect. The back is made of fabric, which is wear resistant and anti slip, and does not hurt the ground. 5、Wide Application: it can not only be used as sleeping bag pad or tent pad, but also as sofa warm pad, yoga mat, heating seats cushion for car, etc. 6、Easy to Carry: 1980x610mm(6.5x2.0ft) pad size fits most adult sleeping bags. Lightweight design for easy storage and portability. Specifications: Material: Cotton Power: 5V USB Item Size: 1980 * 610mm/ 6.5 * 2.0ft Package Size: 360 * 120 * 120mm/ 14.2 * 4.7 * 4.7in Package Weight: 750g/ 1.7lb Package List 1 * Sleeping Bag Pad Note You can adjust the temperature according to your own needs. The time of using the electric heating clothing is slightly different depending on the ambient temperature. Please understand.