... strength 4.passed EN11611, EN1161 "Yijia" radiation proof fabric:Although looking like ordinary fabric on appearance, the fabric is blended with nano-metallic shielding ... far infrared treatment). The metallic shielding fiber is smoother and softer than silk fiber. The fabric is comfortable to wear as it is ... ,10*10,16*10,32*32,16*12,etc.Density128*60,80*46,108*56,130*70,108*56,etc.Weight170 ...