No sewing, no glue, no tape, Easy to attach without causing damage to your own hair. An invisible band allows the hair extension to lie smooth and flat on the head, making it comfortable and secure. You can adjust the size by tightening or loosening the wire. Each package includes a standby wire. See more?Chromatic Aberration?All products in this store are real shots; there may be slight deviations due to technology, display, light, environment, etc., please refer to the actual product. Please don't worry, if you are not satisfied with the quality and color of the product, please feel free to contact us, we will reply within 24 hours and give the best solution. ?Care Tips?Unlike your own hair, this hair extension may get tangled without nutrition. You can use smoothing spray or get a spray bottle and put some conditioner in it and add water. If there is no conditioner, just spray some water, then use a wide tooth comb to brush it. Start from ends and work towards the root to decrease shedding. This is synthetic hair not human hair. It is not recommended that you use a straightener to straighten the hair extension, as this will damage it. ?Adjustable Size Wire?: Each pack includes: One Piece Invisible Wire Hair Extensions; 2 wires in different length for replacement. And there have 2 adjustable s hook on the hair curtain, you can easy adjust it by tightening or loosening the wire to the best size that suits your head. Extra 2 security clips added on either side of the weft will keep the hair extension stay in place and not slip or fall out. PS: You can remove these 2 clips if you don't need them. ?Much Simpler and Faster? This wearing method is very simple and quick. You only put the transparent wire of hair extensions on your head like a headband, secure the hair extension with 2 clips, and hide the wires with your own hair. The hair extension color is natural-looking with a matte finish and is not overly shiny, and the hair extensions can be well blended with your hair. No one will find your secret. There are wearing instructions in the product images, please check it. ?More Volume and Natural? Compared to traditional hair extensions, this new hair extensions with hidden transparent wire, can blend perfectly with your hair color. Invisible Wire Hair Extensions can provide you with more volume with no glue, no tape, causing no damage to your hair and scalp and with less shedding. The Hair Extensions are made with heat resistant fiber synthetic but look completely natural like real. And it can make your hair look longer, thicker, which is very easy to wear.