Amazon.com : Invisible Halo Wire Hair Extension Water Wavy 。100% Human Hair Extensions: Made of virgin human hair collected from one donor, these wire hair extensions are free from shedding, tangling, and odor. They can be reused, curled, straightened, dyed, and washed. For best results, professional handling is recommended, with temperature kept below 200℃. Professional Hair Color Matching: Available in various popular colors including balayage, highlight, and solid options, these extensions blend seamlessly with your natural hair. For color matching assistance, reach out for support. Best Ratio of Length to Weight: Adaptable to various lengths and weights: 12”: 70g, 14”: 70g, 16”: 80g, 18”: 80g, 20”: 100g, 22”: 100g. These extensions can be combined with other types like tape-in or clip-in for added volume and a fuller look. Adjustable Wire and Design: Features an 11-inch width suitable for most head sizes, with 4 detachable clips for customizable fitting. The 90-degree lace net design prevents ear irritation, and the wire-fixed anti-warping edge ensures stability. Includes 3 secure clips and 2 elastic wires (10 inch and 8 inch) as free replacement accessories. Care Tips: Treat these extensions as you would your own hair. Follow care instructions for washing, ironing, and maintenance to ensure a lifespan of 6-12 months.