Product Name: (Invisible Wire Hair Extensions Available Colour: #1B,#2,#4,#2H426,#9,#12H613,#C2,#88H86,#350,#86613,#C8,#22H88B,#56 Size: 20 Inch Product Weight: 20 Inch - 120g/pack If you have any questions, please feel free to contact us and we will get back to you and resolve them within 24 hours. DIRECTIONS 1. Position the wire hair extensions on your head like a headband, secure them with 4 bobby pins, and hide the wires with your own hair. 2. Only use invisible wires, suitable for easy hair loss and sensitive to bobby pins customers. 3. Only use 4 hair clips, suitable for customers with soft and sparse hair on the top of the head.After-sales service: If you have any questions about our products, please feel free to contact us, we will help you solve it within 12 hours!. Tips:These extensions are different from your own hair and may have tangles without nourishment, you can use a smoothing spray or take a spray bottle, put some conditioner in it and add water. If you don't have conditioner, spray some water and comb through with a wide-toothed comb. Start at the ends of your hair and comb towards the roots to minimize shedding. Color Differences: All items are photographed in real life. Due to different lighting and monitors, the exact color may be slightly different from the color shown in the picture. We will try our best to describe the item in detail. If you have any questions or problems, please feel free to contact us. Different ways of wearing:1.Position the wire hair extensions on your head like a headband, secure them with 4 bobby pins, and hide the wires with your own hair.2.Only use invisible wires, suitable for easy hair loss and sensitive to bobby pins customers. 3. Only use 4 hair clips, suitable for customers with soft and sparse hair on the top of the head. Product Information: material: heat-resistant synthetic fiber; length: 20 inches; weight: 120 grams; 4 weft clips per package; 2 different lengths of weft wires can be replaced; adjustable hooks ensure a perfect fit. The upgraded wire is thicker and more flexible, not easy to break and won't cause any pressure on your scalp. Unique hair material makes it softer and more natural.