... /polyester fiber/high strength metal *light weight *Size:98*7cm *adjustable Fire safety belt are made of polyamide fiber or polyester ... . Also used for labor protection supplies1, structure: belt length continuously adjustable, the ribbon, and the buckle ( type I ), needle buckle ( RD110 ... with GB / T6461 - 2002 appearance rating slight grade standard. firefighting adjustable safety Fireman belts