... /30C : with the same cleaning effection as KURAFLEX FF-390C / SF-30C .Made of mucilage glue or mulcilage glue + polyester spunlace ... *25cm100pcs/bag,30bags/ctnViscose, a little hard,32gsm, anti-acetoneHW-SF-30C25cm*25cm100pcs/bag,30bags/ctnViscose+polyester, a little hard,32gsm ...