... . Product Items : CodeSpecPackagingRemarkCommon gradeM-3(BTR4) 25cm*25cm100pcs/bag,30bags/ctnViscose+polyester, very soft,33gsmM-3(BR4)25cm*25cm100pcs ... a little hard,32gsm, anti-acetoneHW-SF-30C25cm*25cm100pcs/bag,30bags/ctnViscose+polyester, a little hard,32gsm, anti-acetoneHigh ... gradeM-1(ZH)15cm*15cm150pcs/bag,40bags/ctnSpecial synthetic fiber,a little hard,45gsm , anti ...