1. Easy to use. Clip-on straight hair extensions, each with a separate clip.2. 100 percent Heat-resistant synthetic fiber up to 180 degrees Celsius (360 degrees Fahrenheit), you can decorate it with a straight hair stick or a curling iron.Note: curling method is different from human hair, please see the picture for details.3. The colored hair is long enough that you can trim it to fit your hair length.4. 20 radom colors, teal blue, mint blue, dark blue, purple, rose red, light purple, wine red, red, mango yellow, yellow, creamy white, white, light pink, pink, princess pink, peach pink, orange, green, fluorescent green, from blue to mint blue, from light purple to light pink, from peach pink to light pink.5. Perfect to use for parties, cosplay, costume party, halloween or any casual events.