The item-No. is built up in form (nn.nnnn) and is marked on label (for instance 43.9944).
the following chart.
0.40 - 0.64 mm / .016" - .025"
Polypropylene, plain or embossed
0.70 - 0.80 mm / .027" - .031"
Polypropylene, plain or embossed
0.40 - 0.64 mm / .016" - .025"
Polyester, plain or embossed
0.70 - 0.80 mm / .027" - .031"
Polyester, plain or embossed
strap width strap thickness / strap quality