About this item 【100% Real Remy Human Hair Extensions】 SWINGINGHAIR invisible transparent wire hair extensions use 9A grade human hair, soft and natural, can be dyed, bleached, washed, curled, straightened just like your own hair. Please Do Not use Too High a Temperature. 【The Easiest and Quickest Installation Way】 Fish line hair extensions sit gently on top of your head, secured with a thin, invisible transparent wire. No glue & no damage to your hair can blend perfectly with your hair color. They are perfect for first-time users, simple enough to apply for everyday wear in just a few minutes. 【Adjustable Size】 Our invisible transparent wire hair extensions weft’s width is made according to measure head circumference which is 10.9inch.You can place the plastic hook into different notches to adjust the wire length. Get beauty and confidence in seconds. Free Replacement Accessories: 2 Secure Clips & 4 Wires 【Double Protection-Hidden Fish Line & 4 Clips】We sew 4 clips on the weft to keep the elastic wire hair extensions more stable during wearing. Double protection. 12 ": 70g, 14": 75g, 16 "- 18": 95g, 20 ": 110g. One packet is used to increase the length and two packets are used to increase the thickness. It’s not suitable for people with very fine hair on the top or baldness as the wire may not be well hidden 【Multiple Occasions & Good Shopping Experience】Perfect for weddings, dates, shopping, party, festival, photoshoot. This is also a good idea for gift choice. We have confidence in the quality of our products, so please feel free to contact us if you have any quality issues, we will help you solve them.