?Safe and Easy to Use?: Nano bead hair extrensions are a no heat, no glue, no sewing method - kind to your hair and quick to fit. ?Wide Usage?: Can be dyed, curled, straightened, washed.(Please straighten or curl the hair extensions with the temperature under 180). ?Hair Extensions Quantity?: Length--24inches, Colour--#12/613 Golden Brown&Bleach Blonde, Weight--1g per strand, 50 strands per pack, totally 50g. ?Nano Tip Hair Extensions?: Secured in the hair using a TINY undetectable 2mm nano ring that is 90% smaller than a standard micro ring!. ?Nano Ring Hair Extension?: 100% Remy human hair, high quality, tangle free, silky and soft.