do not buy [SEP] do not buy these extensions they are not keratin and will ruin your natural hair as you cannot remove the glue they also get very tangled after about a week of applyi own a salon and day spa and was trying these out on my own hair what a mistake i made in doing that my natural hair broke off some st the rrot as this glue they use is gummy and impossible to remove i have been doing extensions as a professional for over years buyer beware