Characteristics: Made of high-quality materials, the cap is wear-resistant and durable in use. It can keep the nourishing oil on the hair longer so that the hair can absorb the nutrients better. Thanks to 9 heating levels, it can shorten the time of dyeing your hair and make the color bright and long-lasting. Suitable for home or hair salon, convenient and easy to use. Not waterproof, not washable, foldable, not suitable for bathroom use. Technical data: Material: Oxford PVC Color: As Picture Shown! Heating levels: 9 levels Total Cable Length: Approx. 150 cm / 59 inch Voltage: 220V Plug: EU plug Instructions: 1. After washing your hair, spread evenly baking oil on your hair and then wrap it in a towel. 2. Wear the hat for 10-15 minutes (pre-heat the hat in winter before wearing it) 3. Cleanse your hair and the inside of the hat. Package includes: 1 x hair heating cap; Note: After use, disconnect the power to avoid prolonged heating. The product cannot be rubbed or pulled, cannot be folded or twisted. Stop using the product when damage is found to prevent electric leakage.