The Product are made from 100% Korean High Quality Syntheitc Heat-Resistant Fiber, which makes it looks and fells like Real Hair. Because it is designed to be easy and comfortable to use, you can easily wear it without any extra help. This product is washable and can be permed. Also you can restyle it into your favorite hair style.<p> Material: 100% Korean High Quality Synthetic Hair<br> Length: Approx 22"<br> Weight: About 4.1-4.6oz<br> Heat Resistence: 270-300° Fahrenheit<br> Color: As Shown in Picture (May Vary by Monitor)<p> UNLIKE your real hair, the synthetic hair fiber may get tangled after 2-3 wears because the synthetic clothes that build up static, especilly in winter. Besides, the dust and moisture in the air may hurt the synthetic hair fiber. 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. Please understand. <p> EASY TO WASH AND TAKE CARE - Just need a little mild shampoo and hair conditioner then washing in lukewarm water. then set on a flat towel and let them naturally dry. If the hair fiber has got tangled, kindly you can use little bit of laundry detergent and the water to soak and wash rinsed out then use a little bit of fabric softener and water to soak for conditioning then rinsed and let it air dry. Please don't blow-dry and don't wear it when sleeping or swimming.