1.)Swiss lace 2.)Hand tied ,durable ,last 3 years or more 3.)Hair density 130% 4.)Natural baby hairline Hair materialVirgin Indian hair, virgin Chinese hair, virgin Brazilian hair,PP fiber, Korean synthetic fiber, Kanekalon fiber, etcStyle:body wave, deep wave, water wave, natural wave, wave,curl, jerry curl, kinky curl, loose curl, natural curl, yaki curl, straight , kinky straight, silky ...