Choice Recommend :
Eyelets———————For Women's Shoe———————For men's Shoe
3 Pairs—————————31.5" (80cm)———————31.5/35.4" (80-90cm)
4 Pairs———————31.5/35.4" (80-90cm)—————35.4/39.4" (90-100cm)
5 Pairs———————35.4/39.4" (90-100cm—————43.3/47.2" (110-120cm)
6 Pairs———————43.3/47.2" (110-120cm)————47.2"/51.2" (120-130cm)
7 Pairs———————47.2"/51.1" (120-130cm)————51.2/55.1" (130-140cm)
8 Pairs———————51.2/55.1" (130-140cm)———— 55.1/59" (140-150cm)
9 Pair——————— 59/63" (150-160cm)——————63/70.9" (160-180cm)