CHARATERISTICSPOLYURETHANE COATED ON THE MICROFIBER NONWOVEN BACK,FEATURING SIMILAR EFFECT WITH GENUINE LEATHER,GOOD RESPONSE FROM MARKETSPECIFICATION1.4mm +/- 0.01mm X 54 " +/-1" PHYSICAL PROPERTYTEST STANDARD NOBLE GAUGE (mm) ASTM D-1777 1.4 WEIGHT (gr/) ASTM D-3776 570 TENSILE, Length (kg/2.54cm) ASTM D-5035 33 TENSILE, Width (kg/2.54cm) ASTM D-5035 32 ELOGATION, Length (%) ASTM D-5035 110 ELOGATION, Width (%) ASTM D-5035 100 TONGUE TEAR, Lenghth (kg) ASTM D-2262 8.0 TONGUE TEAR, Width (kg) ASTM D-2262 8.0 MULLEN BURST (kg/) ASTM D-3786 18