There are two standard formats of Strapping sold, Polypropylene & Steel. There is various way of holding the strapping together.
Usually a hand applied buckle in the case of Polypropylene or a machine applied seal in Steel and some cases Polypropylene. All buckles and seals are sold in units of 1000.
Product Order Codes Commence with BK for Polypropylene and BKM for Steel