... , non-poisonous to smell. The flame retardant fabric of frecotex brand is non-formaldehyde, these kinds of fabric is durable against ... : Composition100%cotton,CVC,Cotton/Nylon,Cotton/SpandexFR TreatmentPyvovatexConstructionTwill, Satin, Plain ,Canvas, Denim etcSpecification21*21,20*16,10*10,10*7,7 ... ),EN531(EN11612),EN533,NFPA 2112,ASTM D6413 Functional Fabric ( Frecotex Brand) For workwear