About the Product: 1.the revolutionary new alternative hair extension that can offer you instant transformation to thicker, longer hair with the aid of a transparent miracle wire which is undetectable hidden under your own hair. 2. Unlike the traditional hair extensions, which are attached to your own strands of hair, the new hair extension comfortably attaches Itself around your head by a transparent miracle wire which is undetectable hidden under your own hair. 3.Quite simple and easy, it takes only minutes to apply and remove: Simply place the flip in wire on your head, pull your own . of the adjustable transparent wire, the flip in can fit any head shape or size perfectlyhair through over the wire, you will find it rests perfectly on your head and blends naturally with your own hair. with the aid of the adjustable transparent wire, the flip in can fit any head shape or size perfectly Specs: Materials: 100 Japan High Resistant Synthetic Fiber(can be ironed between 300 H-350 H) Weight:about 4.3-4.9oz Length: 20inch There are Multi-color For choosing, which are guaranteed to blend with your own natural or color treated hair color. Our colors are multi-faceted and will work with various shades, ash, golden or beige. Go a shade darker for a highlighted effect or a shade lighter for an ombre look. Either way, you can't go wrong! See moreAfter Sales offers the RETURN or EXCHANGE service.If have other product problems please feel free to contact us and we will solve them for you within 24 hours. Tips 1.Color may vary by monitor,select a similar color based on your tail,it will look more natural.Hair color is sensitive to light,we suggest you choose the color in a place with good light or contact us directly. 2.Hair extensions may get tangled, get a spray bottle, put some conditioner in it and add water. Or just spray some water, it will prevent tangles to some extent. How to Apply 1. Put the extension directly on your head and use a rat tail comb to pick your hair to cover the extension. 2. Tie up the hair on top of your head, put on the hair extensions and spread your hair to blend in with the extension.Watch our video for more details. Detailed information 100 Japanese high temperature resistant fiber,can be curled or straightened. (Temperature range: 300-350or 150-180) Package includes a hair extension, a rat-tail comb, and a wire for replacement. Why choose it These invisible hair extensions have no clips, are lighter and simpler to wear, won't damage your hair and are easy to hide.Available in rich colors and different sizes.