1.【More Comfortable & Natural & Lighter】Unlike traditional hair extensions, this new halo hair extensions is no tape no glue, with hidden transparent wire, can blend perfectly with your hair color. Our halo hair extensions weft’s width is made according to measure head circumference which is 10.9inch. The lace net is 90-degree curved design to prevent your ears from being rubbed by the weft. | 2. 【Only 5 Minutes to Put or Take out】 Halo hair extensions is the easiest and quickest tool for adding volume and length. Anyone can do it. You can refer to our page description for wearing. Adjust size by tightening or loosening the standby wire. We put two more wires in the package. | 3.【Double Fixed with Fish Line and Clips--More Stable, Human Hair--Can Be Styled】Both fish line which is 9.25inch and 4 clips, more Stable. If you don't need clips, just take out them. 100% human hair can be dyed and styled. We offer extra 2 clips and 2 fish lines for replacement: the elastic fish line is 9.65inch long, more comfortable. the inelastic fish line is 9inch, more stable. | 4.【Best Ratio of Length to Weight】12”-14’’: 70g, 16’’-18’’: 80g, 20’’: 100g. 1 pack is for adding length, 2 packs for adding volume. It’s not suitable for people with very fine hair on the top or baldness as the wire may not be well hidden. How to care and wear: please refer to the detailed description. | 5.【Comfortable Weft Width and Lace Design】Our halo hair extensions weft’s width is made according to measure head circumference which is 10.9inch. The lace net is 90-degree curved design to prevent your ears from being rubbed by the weft.