Your 1b/613 closure can be dyed or bleached to any color you want, which is superior to all others. You can totally believe that the hair color mixing will bring you a new appearance. Under proper care, your closure can definitely last 1-2 years since it's all hand-made virgin human hair with one-directional full cuticle. From now on, you can get rid of wasting much time & money on those bad hair. Full Handmade(More Strong Soft,Less Shedding),Tight & Neat, Tangle & Shedding Free,Elasticity & Bouncy. It's slightly bleached double knots with the natural hairline and baby hair, creating a natural look that hair is coming from scalp..syi