Of course, germs, viruses harmful to people chemicals and other things to cause disease, fertility and other potential threats to people, I this year 6.18 seems to buy black hearted cotton fabric made of five-minute shorts, the color of grey, with the hand feel some lumps of thread balls? If you look closely, there are black cotton balls woven into the fabric with the thread. With a needle can be picked out more clearly? I can't smell it. But on the arm there is a kind of indescribable bad feeling? I hope you will pay attention to