18mm, 20mm, 22mm:
Measuring 11 Inches long. Suitable for wrist from approximately 160mm (6inch) to 235mm (9inch) in 13 steps.

24mm:
Measuring 12 Inches long. Suitable for wrist from approximately 170mm (6.7inch) to 260mm (10.3inch) in 13 steps.

The 24mm straps are made longer to fit bigger watches.

Sizes: 18mm, 20mm, 22mm, 24mm