Features: The inner teeth design ensure the headband stays in place, not easy to slip and no harm to hair. Function: Keep hair off the face when you work or play, can be a good shackles your hair. One size fits for most, durable material with good elasticity, suitable for most woman, men and girls. Made of premium plastic, durable and flexible, shiny black, simple and plain design, comfortable to wear. Good elasticity,stretchy false high collar,convenient to wear,one size fits most people. Specifications: Component: PS Color: Black Maximum width: app. 2.5cm(0.98in) for Head circumference: 55-58cm(21.65-22.83in) Quantity: 1 pc Package Includes: 1 x Hair Hoop note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.