Amazon.com : 12。?【Real Human Hair Extensions Specification】Winsky clip in hair extensions human hair, 14inches for total 58g, 16inches for total 63g, 18inches for total 68g, 20inches for total 83g, 22inches for total 98g. According to your own hair volume, just to thicker your hair, advice buy 1 - 2 sets; want to full head, recommended buy 2 - 3 sets. ?【Easy, Quick and Comfortable to Long Wear】4pcs per a package, the easiest and the quickest to attach, 5 minutes(approx.), and suitable for daily use, wedding, parties, dating, etc. Winsky seamless clip in hair extensions are made with high-quality virgin human hair, soft like your own natural hair, can last 3-4 months with good care. ?Clip-in Human Hair Extensions Color Match】Winsky clip in extensions can be attached to any length of hair, easily blend in with your natural hair color. PLZ note, light color can be dyed to darker, but darker cannot be dyed to light. (Exact color may have different because of monitors, PLZ contact us if you have any question) ?【Clip-in Human Hair Restyled and Washing Tips】Winsky human hair extensions can be restyled, strengthened, curled, dyed, etc.(When you restyled them, plz control the temperature under 250F.) Properly care to maintain their smoothness and shine, for more washing and care details, plz refer to our hair care instructions on packaging.