100% Remy Human Hair Extensions hair extensions are made of 100% authentic remy human hair. The remy hair can remain ultra-soft, shiny, silky, and tangle-free throughout its lifetime. Thats the reason hair extensions are so natural and more comfortable. Invisible Transparent Wire & Lace Weft Halo hair extensions can blend perfectly with your hair by the adjustable invisible transparent wire and the clip on the lace weft. The 10-inch weft is the most proper distance for majority, it can prevent your ears from being rubbed by the weft. Two spare wires are included with the package (including one elastic wire). Perfect Color Match & Style Easily Natural black. A shade thats just shy of jet black, warm brown undertones come together to create depth and complexity. hair extensions cover more than 14 popular colors and provide you with different color combinations. So, you can choose the right hair extension according to your hair color. Can be dyed, strengthened and curled (under 250F). Length & Weight & Easy to Apply 12-14: 70g, 16-18: 80g, 20:100g. You can choose the one that suits you best. Halo hair extensions are super easy to apply and remove, you can add volume and length of your hair in just 1 minute. As a rule of thumb, the Halo should sit comfortably around the crown of your head. It should gently touch your head, and should not move when you shake your head.