Amazon.com : WENNALIFE Wire Hair Extensions (Increase 50 。Two types of wires: Fish line is more solid and hard, while the transparent elastic string is softer and more flexible. Choose according to your needs. Wire hair extensions can adjust the length of wire by moving the position of hooks, and with 4 durable clips, the extension can be firmly fixed on the head. Wear it in 5 minutes: Even a novice can master how to wear wire hair extensions at home on the first attempt. Ideal for daily wear, it takes just a few minutes before you go to work or on a date. Volume up & blend naturally: The transparent line can be hidden in the hair. Wire hair extensions in various colors allow you to choose the nearest match. This also creates extra volume and a fluffy effect. Can be styled and washed & durable: You can apply heat to style wire hair extensions, with the temperature kept under 356°F. The high-quality hair makes the extensions more durable. Each piece is carefully checked, and the hair can be used for 3 to 5 months with good care.