Hair Parameter Brand:&Nbsp;Younsolo Hair Grade:&Nbsp;Grade 10A Hair Texture:&Nbsp;Deep Wave Lace Closure:&Nbsp;4X4 Lace Closure Deep Wave Free Part Hair Material:100% Brazilian Virgin Human Hair Deep Wave Hair Color:Unprocessed Natural Black Color #1B. If You Need Other Color ,Please Contact Us. Hair Length:8,10,12,14,16,18,20,22,24,26Inches In Stock, If You Want More Long Contact Us Please. Hair Weight:&Nbsp;98-103G/Bundle(3.4Oz-3.6Oz/Bundle). Hair Quality:No Shedding, No Tangles, No Smell,Soft And Smooth Return Policy:&Nbsp;Please Contact Us.24 Hours Online,Solve Your Hair Problem At Any Time.No Worry To Return. Questions &Amp; Answers Q1:Hair Smell? A:Our Hair Is 100% Chemical Free,But It May Have Local Shampoo Smell On It, Anyway It Will Lift Your Shampoo And Conditioner Smell Shortly After Co-Wash. Q2:Hair Length? A:When You Want To Measure The Hair, Please Stretch It To Straight Firstly And Then Measure. Q3:How Long It Last? A:It Depends On Your Maintainance(Generally 6-12 Months). Treat It Like Your Own Hair With Hair Care Tips And Make Regular Washing With Conditioner Can Usually Make The Hair Longer. Q4:Can I Dye It? A:Yes. In General, Its Easier To Darken The Hair Than To Lighten It, We Recommend To Dye Darker, Since Its Difficult For The Original Color Fade. And Dying Needs Strictly Requirement On Time And Dyestuff, If You Are Not Professional, Please Go To Salon. We Can Give You More Instructions For Different Color If You Need. Q5:Can This Do A Full Head? A:Each Bundle Is The Same Weight. So The Longer The Bundle, The Thinner The Bundle Is. For 10-18Inch, 3 Bundles Is Ok. For 18-30Inches, 4 Bundles Is Thick Enough.