Our white horse tail hair for bow using is all natural color, unbleached, and we wash the hair in the water with no any chemical drugs. So the quality is very good for the bows. According to the quality, we have 4 different grades, please note the following: Q800 is our normal quality, our worker pick up 2 times by hand, hair don't include the different color hair, the short hair almost. Q880 is our good quality, our worker pick up 3 times by hand, hair don't include the coil hair. Q920 is our better quality, our worker pick up 4 times by hand, hair is very homogeneous don't have too thick and thin hair. Q960 is our best quality, our worker pick up 5 times up by hand, hair is springiness. Please let me know you need to which grades. If you have any questions.Please contact us at any time. Waiting for your earlier reply! Best regards, Su Huan