1、Made of high quality materials, the hat is wear-resistant and durable to use. 2、It can keep the nutrition hair oil on hairs for longer time to let hairs better absorb the nutrition. 3、With 9 heating levels, it can shorten the time of dying hairs and make the color bright and long lasting. 4、Suitable for home or hair salon, convenient and easy to use. 5、Not waterproof, not washable, can be folded, not suitable for using in bathroom. Features: Made of high quality materials, the hat is wear-resistant and durable to use. It can keep the nutrition hair oil on hairs for longer time to let hairs better absorb the nutrition. With 9 heating levels, it can shorten the time of dying hairs and make the color bright and long lasting. Suitable for home or hair salon, convenient and easy to use. Not waterproof, not washable, can be folded, not suitable for using in bathroom. Specifications: Condition: 100% Brand New Material: Oxford+PVC Color: as picture shown Heating Levels: 9 levels Total Cable Length: Approx. 150cm / 59inch Instructions: 1. After washing hair, evenly coated with baked oil, and then wrapped on a towel. 2. Wear the hat for 10-15 minutes.(pre-warm the hat in winter before wear it) 3. Clean hairs and inner side of hat. Package Include: 1 x Hair Heating Hat Note: Please unplug the power supply after use to avoid prolonged heating. The product cannot be rubbed or pulled, and cannot be folded or twisted. Please stop using the product when damage is found to prevent electricity leakage. Please note that the zipper color of this product will be sent randomly, please make sure you don't mind before ordering.