Natural Body Wave 1/2 or full lace unit is 150% density, adjustable strap and combs for extra security.The Mi Amour Collection hair is Premium quality. This means our hair is constructed from one donor with the full strand laid in the same direction. Hair Mi Amour no shedding and no tangles. Any color application will effect the integrity of the hair so it is recommended to be performed by a licensed professional. The use sulfate free shampoo and conditioner is suggested for maintaining your extensions or unit.