Certificate: EN SGS, Fabric style: Twill, Canvas, Satin, Denim, ... grade We can manufacture permanent flame retardant workwear uniform (21*21), the details are following: Our company is professional ... ,Canvas, Denim, poplinSpecification7*7, 10*10, 20*16, 21/2*10, 30/2*8 etc.Weight130-450gsmtreatmentProban,Pyrovatex,FrecotexColorsRed ... ThanksMr Wei permanent flame retardant workwear uniform (21*21)