SENKEN GROUP CO, is the First Brand specialize in manufacturing lightbar,sirens,LED/strobe/rotate light ,MOTO/AUTO in China. More flexible and comfortable trim Made of tough ripstop fabric so it lasts longer 3M® Reflective Comfort Trim and ripstop nylon fabric Zipper front also rips away for quick on/off capabilities Adjustable sidesANSI/ISEA 207-2006 for Public Safety Vests