Product DetailsStyle: Straight or CurlyLength: Straight-22"/22inch; Curly-18"/18inchWeight: About 2.82oz Width :Approx 11"Heat Resistence: 300℉-350℉Materials: Heat-Resistent Synthetic Hair Fber (feels soft and natural like real human hair)iLUU Invisible Fishing Line Synthetic Hair Extensions Unlike The Traditional Clip/Tape In Hair Extensions, This Hair Extensions Is Lighter And Really Aasier To Apply And Remove Without Any Extra Help In A Few Minutes.Q&A 1: Does It Get Tangled?Unlike the human hair, the synthetic hair fiber may get tangled after 2-3 wears because the synthetic clothes that build up static, especilly in winter. To prevent it, kindly you can get a spray bottle and put some conditioner in it, then fill it up with water. Spray it in the hair extensions. It will make the hair extensions not very dry and prevent getting tangled in some extent.Q&A 2: Can I Curl Or Straight The Hair Extensions?Yes, you can. The hair extensions is the heat-friendly hair fiber so you can restyled it with the scissors or curling iron. It will be better to wet the hair extensions before you curl the hair which will make you curl the hair more easily.However, do not like the real hair, it's not easy to make a big curly the same as it before. Thanks for your understand. Tips:Color difference might occasionally happens due to the display, light factors. If the product doesn't meet your expectation, you can ask for help by e-mail, we will reply you promptly within 24 hours.