... -4 grade We can manufacture permanent flame retardant workwear uniform (24*24), the details are following: Our company is professional factory of ... , Satin, Plain ,Canvas, Denim, poplinSpecification7*7, 10*10, 20*16, 21/2*10, 30/2*8 etc.Weight130-450gsmtreatmentProban,Pyrovatex,FrecotexColorsRed ... inquiry and visiting.ThanksMr Wei permanent flame retardant workwear uniform (24*24)