Hair Material: Remy Human Hair Texture: Straight, and Have a Natural Wave When Wet or Left to Air Dry or Diffused Color: #10/14, balayage lightest brown ombre to darkest blonde Length: 12"-20" 12"-14": 70 gram 16"-20": 80 gram Hair Weft Width: Approximately 10 inch Here's a video to show our invisible wire hair extension, click here:) Easy to Wear: Full Shine One Piece Hair Extension can be Applied in Seconds and Style in Moments. Safe: the Invisible Crown Hair Applied with Fish Line, Avoiding the Beads/Glue. Comfortable and Undetectable: Transparent Fish Wire and Flat Weft Making the Lightweight and Comfortable Experience. Innovative Products: Fish Wire Hair is the most Innovative Products You’ll Love to Wear. Human Hair: Hidden Hair Piece Human Hair Extensions Made By 100 Percent Real Hair, No Tangling/Shedding. Covert and Natural: Can be Easily Curled, Colored to Suit Your Mood.