The fabric is made of 88% cotton, 12% nylon fibers blended. Has good wear resistance, strength better, feel more soft features, which can prolong life after wearing overalls made of more than 50%, better anti-spark, arc, metal droplet and so on. Flame retardants are used for the cotton fiber and blended fabric finishing fire retardant durability, its main feature is the use of such flame retardants production finishing, fabric formed in the interior permanent post Union, thus making it a durable flame retardant properties, good resistance to washing, non-toxic odor-free, safe for the human body, breathable, soft, comfortable to wear through, which can effectively prevent the flame retardant fabrics flame spread, able to maintain the original performance fabric. Flame retardancy can reach EN470-1, EN11611, EN11612, EN531, EN533, BS5852, NFPA2112, NFPA, ASTM and GB8965-2009, and other standards.