We promise that the hair we sold is 100 pure human hair. Material:100 remy Human Hair Grade:7A Color: 2 Dark Brown Length:18inch Package:20 pcs package Weight:40g Style: Our remy tape hair extensions are just like your own hair and can be styled, curled or straightened as desired. Wash: Everyday wash is not good for your extensions, especially when you first apply the hair. Wash the hair every 3 days is better.Use sulfate free shampoo and conditioner on the hair. Use: When using hot tools be sure to use a heat protestant spray! The more you use heat on your hair, the shorter the life-span of the hair extensions. If you have any questions please feel free to contact us.We will solve your problem immediately. If you are satisfied with the product, please give us your valuable evaluation.Thank you very much!5. ?Color?:All pictures are taken by JUAN.Because the light and display equipment are different,the actual hair maybe has colour difference.Please understand.We provide human hair extensions tape ins in many colors. We will help you choose the right color. 4.?Tapes?Tape in Hair Extensions Human Hair are Double-Sided Tapes With Strong Glue, Powerful And Hypoallergenic. It Is Completely Invisible And Looks Very Natural. Our Tape in Hair Can Easily Blend in with your Natural Hair Color, You Can Even Curl And Style them Exactly. 3.?Instruction?: Package include 20 pieces 40G.If your hair is thick we suggest 2-3 packs.If thin we suggest 3-5 packs.You can apply a full head of tape hair within 30 minutes,after you get your hair extensions 48 hours,you can wash,swim,etc.Hair life:lasts 3 to 6 months with proper care. 2.?Maintenance and Care?To prolong the lifespan of your tape in hair extensions,it's essential to follow proper maintenance and care instructions. Avoid excessive heat styling(uder 180?), use gentle products(staining occurs when using purple shampoo). 1.?Real Human Hair Extensions?Tape in hair extensions are made from 100 real human hair that is as soft as your own natural hair. For thick hair, you might need 1-2 packs to add length, and for thin hair, 2-3 packs to add volume.