1. Three adjustment, with temperature controller, you can adjust the temperature according to your own hair care needs. 2. The drawstring can be used to adjust the size of the hat mouth to achieve the comfort level you want. 3. Non woven fabric heat insulation and uniform heat supply, so that the nutrients in the hair mask are more easily absorbed, rapid heating. 4. It can make the nourishing hair oil stay on the hair longer, so that the hair can better absorb nutrients. 5. Help improve hair dryness, frizz, and split ends, repair damaged hair. Condition: Item Type: Hot Oil Treatment Hat Voltage: 110V Style: Headgear Temperature Control Gears: 3 Gears Product Features: Intelligent temperature control, prevent scald Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. colour:black Material:Fabric composite cotton size:24x18cm Package Contents: 1 * Baked oil cap Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.