Invisible Wire Hair Extensions with Adjustable Transparent Wire, 20 Inch Synthetic Halos Hair Extension with 5 Adjustable Sizes, Secret Wire Hair Extensions Clip In Real Hair (Color: Auburn Brown)

No sewing, no glue, no tape, Easy to attach without causing damage to your own hair. An invisible band allows the hair extension to lie smooth and flat on the head, making it comfortable and secure. You can adjust the size by tightening or loosening the wire. Each package includes a standby wire.