Width - 5/16" (8 mm) High quality flat athletic laces. 2 Pair (4 laces) / Material: cotton Fit for Most of Shoes - Great shoelaces for fashion sneakers, sports shoes, trail running shoes, high top shoes, canvas shoes or casual shoes Measure Your Existing for an Accurate Fit - We recommend that you remove and measure the length of the shoelace you are about to change for a precise fit Choose the Right Size and Color - We provide 19 colors in 9 sizes: 35 inch (90 cm)/ 40 inch (100 cm)/ 43 inch (110 cm)/ 47 inch (120 cm)/ 51 inch (130 cm)/ 55 inch (140 cm)/ 60 inch (150 cm)/ 63 inch (160 cm)/ 72 inch (180 cm) Exactly the right laces for your shoes! If there is any issues you met, don't be forget to reach out to us for assistance, not only about the color or the length. We are alway here