1. Product Specifications4PCS clip in hair extensions at 190g 20 inches. Each pack includes 2 pieces of 5 inches wide 2 clips in wefts; 1 piece of 6 inches wide 3 clips in weft; 1 piece of 7 inches wide 4 clips in the weft. (This weight is within people's tolerance. If you feel it's too heavy, you can reduce the number of pieces you wear. Or you can trim the length to reduce the weight). 2. Material AdvantageOur curly hair extensions are made of HighQuality HeatResisting Synthetic Fiber, so this makes them have human hair feelings. Compared to traditional hair extensions, our hair extension only uses BB clips to fix, no tape, and no glue. Easy to wear and put off. You can finish it in minutes. And no damage to the scalp. This hair extension is soft and smooth, easy to comb, and not easy to knot, suitable for women with less hair, wear it to make your hair look more natural. 3. Multiple Functions long wavy hair extension is the way to add hair length and volume, to change your hair into a more full, bouncy, and charming look. You can DIY all kinds of hairstyles after wearing them. It's also the remedy for a bad haircut. 4. Color differenceSometimes, the color of hair extensions will have slight deviation due to weather, shooting light, resolution, etc.