The invisible and comfortable seamless hair clip is made of high-quality 100% real human hair. The silky salon professional real human hair is as soft as your own natural hair without falling off or knotting. They are made of thin silicone hair curtain base, which fits the head flatly and makes you feel more comfortable. The thin silicon-based hair curtain base can create a more natural look. 14 inch = 35cm 130g. 16 inch = 40cm 130g. 18 inch = 45cm 130g. 20 inch = 50cm 150g. 22 inch = 55cm 150g. This item is in the category “Health & Beauty\Hair Care & Styling\Hair Extensions & Wigs\Hair Extensions”. The seller is “crazy*sales18″ and is located in this country: CN. This item can be shipped worldwide.