Brand : Ralisa Loose Wave Hair Grade: Grade 12A Loose Wave Hair Material:100% Brazilian Virgin Human Hair Hair Color: Natural Black. Human Hair Bundles Length:8,10,12,14,16,18,20,22,24,26,28,30Inches In Stock. Loose Wave Hair Weight: 98-103G/Bundle (3.4Oz-3.6Ozbundle). Loose Wave Hair Quality:No Shedding, No Tangles, No Smell,Soft And Smooth Questions & Answers Q1:Hair Smell? A:Loose Wave Human Hair Is 100% No Chemical ,But It May Have Local Shampoo Smell On It, Anyway It Will Lift Your Shampoo And Conditioner Smell Shortly After Co-Wash. Q2:How To Measure Loose Wave 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.