Real human hair material: RUNATURE clip in hair extensions made from real human hair with natural luster and soft texture, it blends flawlessly with your own hair | Quick application & No fall off: No salon skills required! Just clip and go in minutes at home—perfect for busy mornings or last-minute style touch-ups before heading out; the clip-ins design allows it to be securely fastened to your hair | Seven-piece set configuration: Includes a carefully designed seven-piece set; provides balanced coverage for the back and sides; helps with localized hair thickening and overall styling; can also be used in combination with 3-piece clip-in hair extensions | Balanced Weight Distribution: Scientifically allocated weight by length; 10-12 inch, 95g/pack; 14-22inch, 120g/pack; 24 inch, 135g/pack; 18-24 inches there is also a 150g/pack option（Note:The weight includes the weight of clips) | Tangle-free & No frizzy: Clip in hair extensions can stays smooth and sleek without tangling or frizzing, creating a natural look—ideal for daily wear | Can be heated for styling: Can be curled, straightened or permed with hot tools, just like your natural hair. Customize any hairstyle from sleek straight to bouncy curls effortlessly