It's time to toss out those thin, frail shoelaces that came with your new shoes and replace them with a pair of our thick flat shoelaces!Sizing ChartsSizing will differ depending on the number of eyelets or openings you have on your shoes. Simply count the eyelet or opening on one side of your shoes. Then use the chart below to determine the best length. If you prefer a longer length, then choose the longer length. This is used for general sizing and will vary from shoe to shoe. For the most accurate fit, consider measuring your existing shoelaces and buy the matching size.3 Eyelets - Shorter Length: 27" inches (69 cm) / Longer Length: 30" inches (76 cm)4 Eyelets - Shorter Length: 30" inches (76 cm) / Longer Length: 36" inches (91 cm)5 Eyelets - Shorter Length: 40" inches (102 cm) / Longer Length: 45" inches (114 cm)6 Eyelets - Shorter Length: 45" inches (114 cm) / Longer Length: 54" inches (137 cm)7 Eyelets - Shorter Length: 54" inches (137 cm) / Longer Length: 63" inches (160 cm)8 Eyelets - Shorter Length: 63" inches (160 cm) / Longer Length: 72" inches (183 cm)