Tape Ins Details√ No Split Ends √ Enough Lenght& Weight √ Waterproof Tape √ 4cm x 0.8cm Tape √ Excellent Workmanship √ Smooth & Glossy √ 100% Real Natural Human Hair √ Free Tape Glue For Reuse/Replacement Length & Weight & Package * 16 inches 20pcs= 40cm, 30g/pack * 20 inches 20pcs = 50cm, 30g/pack How to Identify Human Hair and Synthetic Hair? --Firstly, get ready for a lighter and a little strand of hair ( At least 10 hairs）. --Then, burning the end of the hair for 3 Seconds. ********Human Hair******** ---Burns very quickly, and it smells like a burst fragranced. ---When the lighter is moved away, the fire will be extinguished immediately. ---After burning, it is easy to turn to be ashes. ********Synthetic Hair******** ---Smells like burning plastic, very pungent, and there is black smoke when it is burning. ---When the lighter is moved away, the hair will continue to burn for several seconds. ---After burning, it turns some small lumps. How to Do HAIR CARE Each Day？ 1. Wash the hair 1-2 times each week. 2. Warm Water washing, use a mild or Weak acid shampoo. Warmly Reminder Wash with shampoo afterward before using shampoo: Every time you wash, please wet your hair with warm water, and then apply conditioner evenly on the hair. This step is called Co-wash, which allows the hair to be activated and is not easy to knot and smoother. Why the real hair color looks different from the description? Monitor Reason: Because the colors on the Monitors of different mobile phones and computers are different, we will use the displays of Apple mobile phones and computers as the standard, and try to show the pictures of the products as true as possible. But even so, we cannot guarantee that the color of your hair after receipt will be exactly the same as when you purchased it.