1. Product InformationMaterial: heat-resistant synthetic fiber; Length:20 Inch; Weight:110g;Unlike other products on the market, our ly designed invisible wire hair extensions has more firm fish line which is more flexible and not easy to break. And the unique hair material makes it more soft and natural, bringing you a experience. 2. Comfortable and SecureIt has 2 diffrent length invisible wire and 4 clips.Two sizes of invisible wire with multiple adjustable sizes can perfectly fit whatever head circumference. At the same time, four clips make it more firmly connected, so that you can wear the hair extension without worries. 3. Comfortable and SecureIt has 2 diffrent length invisible wire and 4 clips.Two sizes of invisible wire with multiple adjustable sizes can perfectly fit whatever head circumference. At the same time, four clips make it more firmly connected, so that you can wear the hair extension without worries. 4. Multiple Color ChoicesWe provide multiple color and you can choose the color you like at will. Whether you choose the color that is similar to your hair color to achieve perfect matching, or choose the color that is different from your own hair to mix, it can bring you the experience. Tips: Due to different lighting conditions and different display devices, the color may vary slightly.