4 Customizable Heating Levels: With 4 temperature settings , you can choose the temperature that suits you best via the handy controller of our electric blanket according to different weather, location, and personal habits. Advanced heating technology offers instant warmth for you during the cold wintertime Ultra Huge Heating Area & Even Warmth: Different from the traditional electric blanket, we specially extended the length of our heating wire by 20%, offering an unprecedented large heating area. The heating range is larger and denser, giving you full-body warmth. Luwior electric blanket also utilizes the latest constant temperature heating technology, you will always feel stable warmth without sudden temperature fluctuation Machine Washable & Easy Maintenance: Electric blanket can be put in the machine and thoroughly washed (Note: Please detach the controller before cleaning). Line drying and tumble drying on low heat are both applicable.