6pcs Invisible Hair Extension Wire Replacement String, 3 Colors. Enhance Your Hair Extensions with Our 6-piece Set of Invisible Secret Wire Fish Lines. Perfect for Refreshing and Securing Your Hairpieces, These Replacement Strings Provide Seamless Integration for a Natural Look. Available in Three Versatile Colors—black, Blonde, and Dark Brown—these Wires Are Designed to Blend Effortlessly with Various Hair Shades. Each Wire Measures Approximately 22cm in Length, Ensuring a Comfortable and Secure Fit for Your Extensions. Features: - Set of 6 Invisible Fish Line Wires - Ideal for Hair Extension Security - Available Colors: Black, Blonde, Dark Brown - Length: Approximately 22cm - Provides a Natural and Seamless Appearance. Your order tracking code will be sent on shipping and takes up to 5 days to show live information.