Amazon.com : Hetto Curly Clip in Hair Extensions Real Human 。【High quality】：high-quality human hair, The factory are taken samples for fire test to ensure product quality, soft texture and natural luster. you can change your hair as you wish, such as, straightening, curling, but be careful of too high temperature（Please try not to exceed 160 degrees Celsius） and too frequent times. 【Suitable color】：The three colors match exactly(Clip color/Hair extension color/Your hair color )So as long as you wear it you will show natural and beautiful long hair. Your relatives and friends will be surprised by the changes in your hair. Don’t worry about the clip being exposed. Different occasions with different colors, at any time you are the new one. 【Clamp tightly】：A set contains seven pieces. Total of 17 clips all use professional clips, which will never damage the hair and ensure a firm connection to your hair, at the same time, the clips are securely fastened to the hair extensions and will not fall out. 【Thickness Situation】：The weight of hair extensions is about 120g, the length is inversely proportional to the thickness, the longer the hair the thinner the thickness, I suggest you pick the suitable amount according to your desired effect, you need to lengthen, you can choose 1 package, you need to thicken and cover all, you can choose