Classic 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 * 12 inches 20pcs= 30cm, 30g/pack * 14 inches 20pcs = 35cm, 30g/pack * 16 inches 20pcs= 40cm, 30g/pack * 18 inches 20pcs = 45cm, 30g/pack * 20 inches 20pcs = 50cm, 30g/pack * 22 inches 20pcs= 55cm, 30g/pack Concern Points Before Make Payment!!! 1 Is That Human Hair   All of Our Hairs Are 100% Natural Human Hair 2 Can The Hair Be Dyed ? Yes, It Can Be Dyed To Darker Color Only 3 How Many Days To Delivery By Fedex(extra 20$,Order Amount More Than 500$  for Free) It Will Take 5-7 Working Days to Delivery By Post (Free Shipping) It Will Take 12-40 Days to Delivery 4 How Many Grams For a Full Head? For Tape Ins & Tip Hair Extensions 50-100g Add Volume More Than 150g For Full Head For Clip Ins One Set For Add Volume, More Than 2 Sets, For Full Head  5 Can This Hair Be Straightened, Curled? Yes, it can be straightened and curled, but please don't do it too frequently if you want hair with a longer lifetime. If you restyle it each day, the lifetime may be 4-8 weeks and hair ends will be very dry. 6 Can I Return The Hair If I Don't Like It ? Yes, We Have 15 Days  Free Return Refund Policy Before You Return The Parcel, Tell Us You Need a Refund, We Will Try Our Best To Give You a Good Soluation  About hair material, it's 100% human hair. Exactly to say, it's not "natural hair". That's because all the light colors are bleached colors basis on the natural black color hair. And the hair material is coming from Asian people's hair donors. So it's also the reason why this hair cannot be bleached again. 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.   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.