... "300pcs1200pcs10packetsCE-AP066"x6"150pcs300pcs20packetsCE-AP099"x9"150pcs300pcs10packets2.size:4*4,6*6,9*9,12*123.material:55% cellulose,45% polyester4.application ... display series,PCB products,Dust-free workshop and product line, circuit board production line,semiconductor product line chips,mircroprocessor etc...