permanent flame retardant fabric,composition is 60%protex (modacrylic)40%cotton,cold reach EN ISO11612 standard modacrylic cotton fabriccomposition: 60% Protex blend 40% cotton (Protex from kaneka Japan)antistatic optionalweight: 150 gsm(or customize to different weights and structure)color: optionalfunctional: permanent flame retardant,heat-insulation,high strength,soft and comfort,eco-friendly