custom case Plastic boxes and plastic casesspecializing in living hinged plastic storage boxes. Since 1969, MTM has been a manufacture of injection molded carrying cases. Today... box:: clear plastic box:: plastic box hinged:: small plastic box:: plastic carrying case:: plastic box packaging:: wholesale plastic box:: plastic tote box:: plastic carry case... inside a pants pocket, average-sized coat pocket or purse Made of polypropylene. Related terms are plastic tool box,clear plastic box, plastic box hinged, small plastic box...