Human hair for testing color-- soft and gloss hair: producting by with real hair, it look so healthy and neat,human hair Lightener-- clear mark and easily keep: with the white pvc ring, you can see the numbers more clearly than before,hair boards Hair extension ring-- warm tip,color hair ring Human hair bundles-- real human hair, natural, durable, reusable, easy make-up , and can be dyed, curled, straightened, washed and cut,human hair testing